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- NGC 602 and Beyond,"Near the outskirts of the Small Magellanic Cloud, a satellite galaxy some 200 thousand light-years distant, lies 5 million year young star cluster NGC 602. Surrounded by natal gas and dust, NGC 602 is featured in this stunning Hubble image of the region, augmented by images in the X-ray by Chandra, and in the infrared by Spitzer. Fantastic ridges and swept back shapes strongly suggest that energetic radiation and shock waves from NGC 602's massive young stars have eroded the dusty material and triggered a progression of star formation moving away from the cluster's center. At the estimated distance of the Small Magellanic Cloud, the Picture spans about 200 light-years, but a tantalizing assortment of background galaxies are also visible in this sharp multi-colored view. The background galaxies are hundreds of millions of light-years or more beyond NGC 602. Open Science: Browse 1,400+ codes in the Astrophysics Source Code Library",2017-04-02,astronomy,NASA,2025-01-18 08:56:49.776803
3
- NGC 4361: Galaxy Shaped Planetary Nebula,"Glowing in the red light emitted by hydrogen atoms, the planetary nebula",1995-12-29,astronomy,NASA,2025-01-18 08:56:49.776803
4
- NGC 253: Close Up,"This dusty island universe is one of the brightest spiral galaxies in planet Earth's sky. Seen nearly edge-on, NGC 253 is only 13 million light-years away, the largest member of the Sculptor Group of galaxies, neighbor to our own local galaxy group. The detailed close-up view is a five frame mosaic based on data assembled from the Hubble Legacy Archive. Beginning on the left near the galaxy's core, the sharp panorama follows dusty filaments, interstellar gas clouds, and even individual stars toward the galaxy's edge at the right. The magnificent vista spans nearly 50,000 light-years. The frame at the far right has been compressed slightly to bring into view an intriguing pair of background galaxies. Designated a starburst galaxy because of its frantic star forming activity, NGC 253 features tendrils of dust rising from a galactic disk laced with young star clusters and star forming regions. NGC 253 is also known to be a strong source of high-energy x-rays and gamma rays, likely due to massive black holes near the galaxy's center.",2011-05-19,astronomy,NASA,2025-01-18 08:56:49.776803
5
- Dawn Launch Mosaic,"Shortly after sunrise on Thursday at Cape Canaveral Air Force Station, the Dawn spacecraft began its journey to the asteroid belt, arcing eastward into a blue and cloudy sky. Dawn's voyage began on a conventional, chemically fueled Delta II rocket, but will continue with an innovative ion propulsion system. The spacecraft's extremely efficient ion engines will use electricity derived from solar power to ionize xenon atoms and generate a gentle but continuous thrust. After a four year interplanetary cruise, Dawn will orbit two small worlds, first Vesta and then Ceres. Vesta is one of the largest main belt asteroids, while nomenclature introduced by the International Astronomical Union in 2006 classifies nearly spherical Ceres as a dwarf planet.",2007-09-29,astronomy,NASA,2025-01-18 08:56:49.776803
6
- Yutu on a Little Planet,"Tracks lead to a small robot perched near the top of this bright little planet. Of course, the planet is really the Moon. The robot is the desk-sized Yutu rover, leaving its looming Chang'e 3 lander after a mid-December 2013 touch down in the northern Mare Imbrium. The little planet projection is a digitally warped and stitched mosaic of images from the lander's terrain camera covering 360 by 180 degrees. Ultimately traveling over 100 meters, Yutu came to a halt in January 2014. The lander's instruments are still working though, after more than two years on the lunar surface. Meanwhile, an interactive panoramic version of this little planet is available here.",2016-02-13,astronomy,NASA,2025-01-18 08:56:49.776803
7
- Star Trails Over Oregon,"As the Earth spins on its axis, the sky seems to rotate around us. This motion, called diurnal motion, produces the beautiful concentric trails traced by stars during time exposures. Partial-circle star trails are pictured above over Grants Pass, Oregon, USA last month. Near the middle of the circles is the North Celestial Pole (NCP), easily identified as the point in the sky at the center of all the star trail arcs. The star Polaris, commonly known as the North Star, made the very short bright circle near the NCP. About 12,000 years ago, the bright star Vega was the North Star, and in about 14,000 years, as the Earth's spin axis slowly continues to precess, Vega will become the North Star again.",2009-09-09,astronomy,NASA,2025-01-18 08:56:49.776803
8
- La Niña Earth,"La Niña is a temporary climate change caused by unusually cold water in the central Pacific Ocean. Cold water topping an unusually low sea level is shown as purple in the above false-color picture taken by the orbiting TOPEX/Poseidon satellite in mid-January. Such cold water tends to deflect winds around it, changing the course of weather systems locally and the nature of weather patterns globally. This year's La Niña appears to have weakened over the past few months, indicating a slow return to more normal seasonal weather. The full effects of the preceding El Niño and the present La Niña are still under study.",1999-02-15,astronomy,NASA,2025-01-18 08:56:49.776803
9
- Perseids over the Pyrénées,"This mountain and night skyscape stretches across the French Pyrenees National Park on August 12, near the peak of the annual Perseid meteor shower. The multi-exposure panoramic view was composed from the Col d'Aubisque, a mountain pass, about an hour before the bright gibbous moon rose. Centered is a misty valley and lights from the region's Gourette ski station toward the south. Taken over the following hour, frames capturing some of the night's long bright perseid meteors were aligned against the backdrop of stars and Milky Way.",2017-08-18,astronomy,NASA,2025-01-18 08:56:49.776803
10
- Spiral Galaxy NGC 4038 in Collision,"This galaxy is having a bad millennium. In fact, the past 100 million years haven't been so good, and probably the next billion or so will be quite tumultuous. Visible toward the lower right, NGC 4038 used to be a normal spiral galaxy, minding its own business, until NGC 4039, to its upper left, crashed into it. The evolving wreckage, known famously as the Antennae, is featured here. As gravity restructures each galaxy, clouds of gas slam into each other, bright blue knots of stars form, massive stars form and explode, and brown filaments of dust are strewn about. Eventually the two galaxies will converge into one larger spiral galaxy. Such collisions are not unusual, and even our own Milky Way Galaxy has undergone several in the past and is predicted to collide with our neighboring Andromeda Galaxy in a few billion years. The frames that compose this image were taken by the orbiting Hubble Space Telescope by professional astronomers to better understand galaxy collisions. These frames -- and many other deep space images from Hubble -- have since been made public, allowing interested amateurs to download and process them into, for example, this visually stunning composite.",2018-05-23,astronomy,NASA,2025-01-18 08:56:49.776803
11
- All the Water on Europa,"How much of Jupiter's moon Europa is made of water? A lot, actually. Based on the Galileo probe data acquired during its exploration of the Jovian system from 1995 to 2003, Europa possesses a deep, global ocean of liquid water beneath a layer of surface ice. The subsurface ocean plus ice layer could range from 80 to 170 kilometers in average depth. Adopting an estimate of 100 kilometers depth, if all the water on Europa were gathered into a ball it would have a radius of 877 kilometers. To scale, this intriguing illustration compares that hypothetical ball of all the water on Europa to the size of Europa itself (left) - and similarly to all the water on planet Earth. With a volume 2-3 times the volume of water in Earth's oceans, the global ocean on Europa holds out a tantalizing destination in the search for extraterrestrial life in our solar system. Help Evaluate APOD: Is the text on APOD easy to read and understand?",2012-05-24,astronomy,NASA,2025-01-18 08:56:49.776803
12
- Celebrating Hubble With NGC 6751,"Planetary nebulae can look simple, round, and planet-like in small telescopes. But images from the orbiting Hubble Space Telescope have become well known for showing these fluorescent gas shrouds of dying Sun-like stars to possess a staggering variety of detailed symmetries and shapes. This composite color Hubble image of NGC 6751 is a beautiful example of a classic planetary nebula with complex features. It was selected in April of 2000, to commemorate the tenth anniversary of Hubble in orbit. The colors were chosen to represent the relative temperature of the gas - blue, orange, and red indicating the hottest to coolest gas. Winds and radiation from the intensely hot central star (140,000 degrees Celsius) have apparently created the nebula's streamer-like features. The nebula's actual diameter is approximately 0.8 light-years or about 600 times the size of our solar system. NGC 6751 is 6,500 light-years distant in the high-flying constellation Aquila.",2005-04-16,astronomy,NASA,2025-01-18 08:56:49.776803
13
- A Perseid Meteor,"This weekend, the annual Perseid Meteor Shower reaches its maximum. Grains of cosmic sand and gravel shed from Comet Swift-Tuttle will streak across the sky as they vaporize during entry into Earth's atmosphere. The Perseids result from the yearly crossing of the Earth through Comet Swift-Tuttle's orbit. The Perseids are typically the most active meteor shower of the year. In a clear dark sky, an observer might see a meteor a minute near peak times, but this year a bright moon will overwhelm the glow from many perseid meteors until moonset in the early morning hours. Pictured above is a Perseid meteor from 1993. The colors are representative but digitally enhanced. As the meteor streaked across the night sky, different excited atoms emitted different colors of light. The origin of the green tinge visible at the right is currently unknown, however, and might result from oxygen in Earth's atmosphere. Perseid meteors can best be seen from a relaxing position, away from lights, just before the dawn twilight.",2000-08-12,astronomy,NASA,2025-01-18 08:56:49.776803
14
- "Mars, Antares, Moon and Saturn","Mars, Antares, Moon, and Saturn are the brightest celestial beacons in this serene sky. The Sun's golden light is still scattered along the southwestern horizon though, captured after sunset on September 28. The evening gathering of wandering planets and Moon along with the bright star viewed as an equal to Mars and the Scorpion's Heart was enjoyed around planet Earth. But from the photographer's perspective looking across the calm waters of Lake Balaton, Hungary, they were joined by a more terrestrial sailboat mast light. Mast light, bright star, planets and Moon are all posing near the plane of the ecliptic.",2014-10-04,astronomy,NASA,2025-01-18 08:56:49.776803
15
- NGC 7331 Close Up,"Big, beautiful spiral galaxy NGC 7331 is often touted as an analog to our own Milky Way. About 50 million light-years distant in the northern constellation Pegasus, NGC 7331 was recognized early on as a spiral nebula and is actually one of the brighter galaxies not included in Charles Messier's famous 18th century catalog. Since the galaxy's disk is inclined to our line-of-sight, long telescopic exposures often result in an image that evokes a strong sense of depth. This Hubble Space Telescope close-up spans some 40,000 light-years. The galaxy's magnificent spiral arms feature dark obscuring dust lanes, bright bluish clusters of massive young stars, and the telltale reddish glow of active star forming regions. The bright yellowish central regions harbor populations of older, cooler stars. Like the Milky Way, a supermassive black hole lies at the core of spiral galaxy NGC 7331.",2020-02-07,astronomy,NASA,2025-01-18 08:56:49.776803
16
- Smooth Sections of Asteroid Itokawa,"Why are parts of this asteroid's surface so smooth? No one is yet sure, but it may have to do with the dynamics of an asteroid that is a loose pile of rubble rather than a solid rock. The unusual asteroid has been visited recently by the Japanese spacecraft Hayabusa that has been documenting its unusual structure and mysterious lack of craters. Recent analyses of the border regions between smooth and rugged sections of Itokawa indicate that jostling of the asteroid might be creating segregation between large and small rocks near the surface, like the Brazil nut effect. In late 2005, Hayabusa actually touched down on one of the smooth patches, dubbed the MUSES Sea, and collected soil samples that are to be returned to Earth for analysis. Hayabusa will start its three-year long return trip to Earth this month. Computer simulations show that 500-meter asteroid Itokawa may impact the Earth within the next few million years.",2007-04-22,astronomy,NASA,2025-01-18 08:56:49.776803
17
- Lunar Time Lapse Panorama including Yutu Rover,"Where has the Yutu rover been on the Moon? Arriving in 2013 mid-December, the Chinese Yutu robotic rover has spent some of the past month and a half exploring Mare Imbrium on Earth's Moon. Because it uses solar power, the mechanical Jade Rabbit goes into sleep mode to endure the two-week long lunar night. Pictured above is a digitally created time-lapse composite panorama showing the region surrounding the Chang'e 3 lander, capturing the desk-sized rover in three positions. On the far right, Yutu is seen heading south to investigate greener pastures, likely never to return to its lander again. Organize Your Universe: Free APOD 2014 Calendar in PDF format",2014-02-03,astronomy,NASA,2025-01-18 08:56:49.776803
18
- Zodiacal Light and Mars,"Just after sunset on March 7, a faint band of light still reaches above the western horizon in this serene, rural Illinois, night skyscape. Taken from an old farmstead, the luminous glow is zodiacal light, prominent in the west after sunset during planet Earth's northern hemisphere spring. On that clear evening the band of zodiacal light seems to engulf bright yellowish Mars and the Pleiades star cluster. Their close conjunction is in the starry sky above the old barn's roof. Zodiacal light is sunlight scattered by interplanetary dust particles that lie near the Solar System's ecliptic plane. Of course all the Solar System's planets orbit near the plane of the ecliptic, within the band of zodiacal light. But zodiacal light and Mars may have a deeper connection. A recent analysis of serendipitous detections of interplanetary dust by the Juno spacecraft during its Earth to Jupiter voyage suggest Mars is the likely source of the dust that produces zodiacal light.",2021-03-11,astronomy,NASA,2025-01-18 08:56:49.776803
19
- A Smoke Angel from Airplane Flares,"What type of cloud is that? It is not a naturally occurring one. Looking perhaps a bit like a gigantic owl monster, the cloud pictured above resulted from a series of flares released by an air force jet over the Atlantic Ocean in May. The jet that released the flares, a C-17 Globemaster III, is seen on the right. The flares release smoke and the resulting pattern is sometimes known as a smoke angel. The circular eyes of the above smoke angel are caused by air spiraling off the plane's wings and are known as wingtip vortices.",2006-08-22,astronomy,NASA,2025-01-18 08:56:49.776803
20
- North to the Moon's Pole,"This image is from the voyage of the intrepid Galileo spacecraft as it passed above the Moon's north pole on its long journey to Jupiter. It was made over 60 years after Admiral Byrd became the first to fly over the Earth's north pole. Within a superposed frame of lattitude and longitude lines much of the Moon's familiar face, dominated by smooth dark mare, is brightly lit. Near the pole itself, the harsh shadows reveal a rugged, cratered lunarscape.",1996-06-22,astronomy,NASA,2025-01-18 08:56:49.776803
21
- A Rocket Launch at Sunset,"What kind of cloud is that? Last week, a sunset rocket launch lit up the sky and was photographed by sky enthusiasts as far as hundreds of miles away. The lingering result was a photogenic rocket plume. Not everyone who saw the resulting plume knew its cause to be a Minotaur rocket launched from Vandenberg Air Force Base in California, USA. The cloud was visible after sunset on 22 September. Fuel particles and water droplets expelled from the rocket swirled in the winds of the upper atmosphere, creating an expanding helix. The noctilucent plume was so high that it still reflected sunlight, where lower clouds in the foreground appeared dark. The above image also captured part of the plume reflecting sunlight as a rainbow or a colorful iridescent cloud. Below the launch plume is the planet Venus.",2005-09-28,astronomy,NASA,2025-01-18 08:56:49.776803
22
- A Galilean Night,"Driving along on a summer evening, near the small town of Weikersheim in southern Germany, photographer Jens Hackmann had to stop. He couldn't resist pointing his camera and telephoto lens at this lovely conjunction of a Full Moon and planet Jupiter looming near the steeple of a local church. Of course, 400 years ago, Galileo couldn't resist pointing his newly constructed telescope at these celestial beacons either. When he did, he found craters and mountains on the not-so-smooth lunar surface and discovered the large moons of Jupiter now known as the Galilean Moons. Jupiter's Galilean moons are just visible in this photo as tiny pinpricks of light very near the bright planet. Want to see the Moon and Jupiter better than Galileo? Look for local 2009 International Year of Astronomy activities and events during these next few Galilean Nights (October 22-24).",2009-10-23,astronomy,NASA,2025-01-18 08:56:49.776803
23
- Alicante Beach Moonrise,"In this beach and skyscape from Alicante, Spain, July's Full Moon shines in the dark blue twilight, its reflection coloring the Mediterranean waters. Near the horizon, the moonlight is reddened by its long path through the atmosphere, but this Full Moon was also near perigee, the closest point to Earth along the Moon's elliptical orbit. That made it a Supermoon, a mighty 14% larger and 30% brighter than a Full Moon at apogee, the Moon's farthest orbital swing. Of course, most warm summer nights are a good time to enjoy a family meal oceanside, but what fish do you catch on the night of a Supermoon? They must be Moon breams ...",2014-07-19,astronomy,NASA,2025-01-18 08:56:49.776803
24
- NGC 6960: The Witch's Broom Nebula,"Ten thousand years ago, before the dawn of recorded human history, a new light must suddenly have appeared in the night sky and faded after a few weeks. Today we know this light was an exploding star and record the colorful expanding cloud as the Veil Nebula. Pictured above is the west end of the Veil Nebula known technically as NGC 6960 but less formally as the Witch's Broom Nebula. The rampaging gas gains its colors by impacting and exciting existing nearby gas. The supernova remnant lies about 1400 light-years away towards the constellation of Cygnus. This Witch's Broom actually spans over three times the angular size of the full Moon. The bright blue star 52 Cygnus is visible with the unaided eye from a dark location but unrelated to the ancient supernova.",2003-01-01,astronomy,NASA,2025-01-18 08:56:49.776803
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- Hole in the Sun,"The dark expanse below the equator of the Sun is a coronal hole -- a low density region extending above the surface where the solar magnetic field opens freely into interplanetary space. Shown in false color, the picture was recorded on September 19th in extreme ultraviolet light by the EIT instrument onboard the space-based SOHO observatory. Studied extensively from space since the 1960s in ultraviolet and x-ray light, coronal holes are known to be the source of the high-speed solar wind, atoms and electrons that flow outward along the open magnetic field lines. The solar wind streaming from this coronal hole triggered colorful auroral displays on planet Earth begining late last week, enjoyed by spaceweather watchers at high latitudes.",2007-09-27,astronomy,NASA,2025-01-18 08:56:49.776803
26
- Aurora over Maine,"It has been a good week for auroras. Earlier this month active sunspot region 2158 rotated into view and unleashed a series of flares and plasma ejections into the Solar System during its journey across the Sun's disk. In particular, a pair of Coronal Mass Ejections (CMEs) impacted the Earth's magnetosphere toward the end of last week, creating the most intense geomagnetic storm so far this year. Although power outages were feared by some, the most dramatic effects of these impacting plasma clouds were auroras seen as far south as Wisconsin, USA. In the featured image taken last Friday night, rays and sheets of multicolored auroras were captured over Acadia National Park, in Maine, USA. Since another CME plasma cloud is currently approaching the Earth, tonight offers another good chance to see an impressive auroral display. Almost Hyperspace: Random APOD Generator",2014-09-17,astronomy,NASA,2025-01-18 08:56:49.776803
27
- Zooming in on the First Stars,"What became of the first stars? No known stars appear to be composed of truly primordial gas -- all of the stars around us have too many heavy elements. Our own Sun is thought to be a third generation star, with many second-generation stars seen in globular clusters. This year, however, significant progress is being made on solving this perennial astronomical mystery. Analyses of recent WMAP satellite images of the cosmic microwave background indicate that this primordial light was ionized by a first generation of stars that came and went only 200 million years after the Big Bang. Additionally computer codes are now more-accurately tracking the likely creation and evolution of first stars in the early universe. Pictured above at a scale of one light-month, a computer-generated model resolves the scale of the first stars, indicating clean cocoons that condensed into stars always over 30 times the mass of our Sun. Stars like this quickly fused pristine gas into heavier elements and then exploded, seeding the universe with elements that would become part of the stars we know and, ultimately, ourselves.",2003-06-10,astronomy,NASA,2025-01-18 08:56:49.776803
28
- Vista with NGC 2170,"Drifting through the one-horned constellation Monoceros, these dusty streamers and new born stars are part of the active Monoceros R2 star-forming region, embedded in a giant molecular cloud. The cosmic scene was recorded by the VISTA survey telescope in near-infrared light. Visible light images show dusty NGC 2170, seen here just right of center, as a complex of bluish reflection nebulae. But this penetrating near-infrared view reveals telltale signs of ongoing star formation and massive young stars otherwise hidden by the dust. Energetic winds and radiation from the hot young stars reshape the natal interstellar clouds. Close on the sky to the star-forming Orion Nebula, the Monoceros R2 region is almost twice as far away, about 2700 light-years distant. At that distance, this vista spans about 80 light-years.",2010-10-15,astronomy,NASA,2025-01-18 08:56:49.776803
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- Introducing Comet ISON,"Could this dim spot brighten into one of the brightest comets ever? It's possible. Alternatively, the comet could break up when it gets closer to the Sun, or brighten much more modestly. Sky enthusiasts the world over are all abuzz, though, from the more optimistic speculations -- that the newly discovered C/2012 S1 (ISON) could develop a spectacular tail or briefly approach the brightness of the full Moon toward the end of 2013. Comet ISON currently is very faint but is just visible at magnitude 18 in the above image. The comet, discovered just over a week ago from Russia by Vitali Nevski (Belarus) and Artyom Novichonok (Russia), is currently falling toward the Sun from between the orbits of Jupiter and Saturn. In early 2013 October it will pass very near Mars and possibly be visible to rovers and orbiting spacecraft. Comet ISON appears on course to achieve sungrazer status as it passes within a solar diameter of Sun's surface in late 2013 November. Whatever survives will then pass nearest the Earth in late 2013 December. Astronomers around the world will be tracking this large dirty snowball closely to better understand its nature and how it might evolve during the next 15 months.",2012-10-01,astronomy,NASA,2025-01-18 08:56:49.776803
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- Ancient Craters of Southern Rhea,"Saturn's ragged moon Rhea has one of the oldest surfaces known. Estimated as changing little in the past billion years, Rhea shows craters so old they no longer appear round � their edges have become compromised by more recent cratering. Like Earth's Moon, Rhea's rotation is locked on Saturn, and the above image shows part of Rhea's surface that always faces Saturn. Rhea's leading surface is more highly cratered than its trailing surface. Rhea is composed mostly of water-ice but is thought to include about 25 percent rock and metal. The above image was taken by the robot Cassini spacecraft now orbiting Saturn. Cassini swooped past Rhea last month and captured the above image from about 350,000 kilometers away. Rhea spans 1,500 kilometers making it Saturn's second largest moon after Titan. Several surface features on Rhea remain unexplained including large light patches like those seen near the image top.",2008-05-13,astronomy,NASA,2025-01-18 08:56:49.776803
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- The Great Gig in the Sky,"There were no crowds on the beach at Phillips Lake, Oregon on August 21. But a few had come there to stand, for a moment, in the dark shadow of the Moon. From the beach, this unscripted mosaic photo records their much anticipated solar eclipse. In two vertical panels it catches the last few seconds of totality and the first instant of 3rd contact, just as the eclipse ends and sunlight faintly returns. Across the US those gathered along the path of totality also took pictures and shared their moment. And like those at Phillips Lake they may treasure the experience more than any planned or unplanned photograph of the total eclipse of the Sun.",2017-09-08,astronomy,NASA,2025-01-18 08:56:49.776803
32
- A Hale-Bopp Triple Crown,"It was truly a busy sky. In one of the more spectacular photos yet submitted to Astronomy Picture of the Day, Don Cooke of Lyme, New Hampshire caught the Sun, Moon, Earth, night sky, Pleiades star cluster, and Comet Hale-Bopp all in one frame. The first leg of this ""triple crown"" exposure was of the Sun, taken at 6:55 pm on April 10th 1997. Through a dark filter, the Sun appears as the bright dot on the lower right of the image. A second filtered exposure was then taken after the Sun had set, one hour and 40 minutes later - this time featuring the Moon. The Moon appears as a crescent superimposed on an odd-shaped dark circle protruding into the left of the image. This shadow is actually a silhouette of a driveway reflector mounted on an aluminum rod used to block out the bright moon - so as to allow a third exposure, this time unfiltered, of the background night sky. And what a beautiful sky it is. Highlights include Comet Hale-Bopp, on the right, and the Pleiades star cluster, near the center. But what, you may wonder, is that bright light near the center of the picture? Don't worry if you can't guess: it's a porch light from a house across the river!",1997-07-23,astronomy,NASA,2025-01-18 08:56:49.776803
33
- IC 418: The Spirograph Nebula,"What is creating the strange texture of IC 418? Dubbed the Spirograph Nebula for its resemblance to drawings from a cyclical drawing tool, planetary nebula IC 418 shows patterns that are not well understood. Perhaps they are related to chaotic winds from the variable central star, which changes brightness unpredictably in just a few hours. By contrast, evidence indicates that only a few million years ago, IC 418 was probably a well-understood star similar to our Sun. Only a few thousand years ago, IC 418 was probably a common red giant star. Since running out of nuclear fuel, though, the outer envelope has begun expanding outward leaving a hot remnant core destined to become a white-dwarf star, visible in the image center. The light from the central core excites surrounding atoms in the nebula causing them to glow. IC 418 lies about 2000 light-years away and spans 0.3 light-years across. This false-color image taken from the Hubble Space Telescope reveals the unusual details.",2004-10-17,astronomy,NASA,2025-01-18 08:56:49.776803
34
- The Turbulent Neighborhood of Eta Carina,"How do violent stars affect their surroundings? To help find out, astronomers pointed the Hubble Space Telescope to the regions surrounding Eta Carina, a star showing signs that it may explode sometime in the next million years. The nearby nebulosity, shown above, is home to streams of hot gas, pools of cool gas, knots of dark globules, and pillars of dense dusty interstellar matter likely forming young stars. The above image explores about three light-years, a region size intermediate to the Eta Carina cocoon, which spans only about one-half of a light year, and the Great Nebula in Carina, which spans over 300 light years. In April of 1843 Eta Car briefly became second only to Sirius as the brightest star in planet Earth's night sky, even though at a distance of about 7,500 light-years, it is about 800 times farther away.",2003-11-26,astronomy,NASA,2025-01-18 08:56:49.776803
35
- Globular Star Cluster 47 Tuc,"Globular star cluster 47 Tucanae is a jewel of the southern sky. Also known as NGC 104, it roams the halo of our Milky Way Galaxy along with some 200 other globular star clusters. The second brightest globular cluster (after Omega Centauri) as seen from planet Earth, it lies about 13,000 light-years away and can be spotted naked-eye close on the sky to the Small Magellanic Cloud in the constellation of the Toucan. The dense cluster is made up of hundreds of thousands of stars in a volume only about 120 light-years across. Red giant stars on the outskirts of the cluster are easy to pick out as yellowish stars in this sharp telescopic portrait. Tightly packed globular cluster 47 Tuc is also home to a star with the closest known orbit around a black hole.",2020-10-24,astronomy,NASA,2025-01-18 08:56:49.776803
36
- Globular Cluster M19,"M19 appears to be a typical globular cluster of stars - except for its shape. If one looks closely at the cluster, pictured above, it appears to be longer (top to bottom) than it is wide. In fact, M19 is the most aspherical globular cluster of the approximately 160 known orbiting the center of our Milky Way Galaxy. M19 lies about 27,000 light-years away, measures about 60 light-years across, and is home to over 100,000 stars. The cluster can be found with binoculars towards the constellation of Ophiuchus. The reason for the clusters' odd shape remains unknown, but might be related to the clusters' close (5000 light-year) proximity to the Galactic Center. Alternatively, the shape might be an illusion created by an unusual lane of dark absorbing dust on one side of the cluster.",2000-07-19,astronomy,NASA,2025-01-18 08:56:49.776803
37
- M106 Close Up,"Close to the Great Bear (Ursa Major) and surrounded by the stars of the Hunting Dogs (Canes Venatici), this celestial wonder was discovered in 1781 by the metric French astronomer Pierre Mechain. Later, it was added to the catalog of his friend and colleague Charles Messier as M106. Modern deep telescopic views reveal it to be an island universe: a spiral galaxy around 30 thousand light-years across located only about 21 million light-years beyond the stars of the Milky Way. Along with prominent dust lanes and a bright central core, this colorful composite image highlights youthful blue star clusters and reddish stellar nurseries that trace the galaxy's spiral arms. The high resolution galaxy portrait is a mosaic of data from Hubble's sharp ACS camera combined with groundbased color image data. M106 (aka NGC 4258) is a nearby example of the Seyfert class of active galaxies, seen across the spectrum from radio to X-rays. Energetic active galaxies are powered by matter falling into a massive central black hole.",2012-05-03,astronomy,NASA,2025-01-18 08:56:49.776803
38
- Dark Spots on Neptune,"Neptune has spots. The Solar System's outermost gas giant shows a nearly uniform blue hue created by small amounts of methane drifting in a thick atmosphere of nearly colorless hydrogen and helium. Dark spots do appear, however, that are anti-cyclones: large high-pressure systems that swirl in Neptune's cold cloud tops. Two dark spots are visible in the above picture taken by the robot Voyager 2 spacecraft in 1989: an Earth-sized Great Dark Spot located on the far left, and Dark Spot 2 located near bottom. A bright cloud dubbed Scooter accompanies the Great Dark Spot. Recent computer simulations indicate that scooters are methane clouds that might commonly be found near dark spots. Subsequent images of Neptune by the Hubble Space Telescope in 1994 indicated that both of these dark spots had dissipated, but another had been created.",2001-08-21,astronomy,NASA,2025-01-18 08:56:49.776803
39
- "Despina, Moon of Neptune","Despina is a tiny moon of Neptune. A mere 148 kilometers across, diminutive Despina was discovered in 1989, in images from the Voyager 2 spacecraft taken during its encounter with the solar system's most distant gas giant planet. But looking through the Voyager 2 data 20 years later, amateur image processor (and philosophy professor) Ted Stryk discovered something no one had recognized before -- images that show the shadow of Despina in transit across Neptune's blue cloud tops. His composite view of Despina and its shadow is composed of four archival frames taken on August 24, 1989, separated by nine minutes. Despina itself has been artificially brightened to make it easier to see. In ancient Greek mythology, Despina is a daughter of Poseidon (the Roman god Neptune).",2009-09-03,astronomy,NASA,2025-01-18 08:56:49.776803
40
- Flaming Star Nebula,"A runaway star lights the Flaming Star Nebula in this cosmic scene. Otherwise known as IC 405, the Flaming Star Nebula's billowing interstellar clouds of gas and dust lie about 1,500 light-years away toward the constellation of Auriga. AE Aurigae, the bright star at upper left in the frame, is a massive and intensely hot O-type star moving rapidly through space, likely ejected from a collision of multiple star-systems in the vicinity of the Orion Nebula millions of years ago. Now close to IC 405, the high-speed star's ionizing ultraviolet radiation powers the visible reddish glow as the nebula's hydrogen atoms are stripped of their electrons and recombine. Its intense blue starlight is reflected by the nebula's dusty filaments. Like all massive stars AE Aurigae will be short-lived though, furiously burning through its supply of fuel for nuclear fusion and exploding as a supernova. The colorful telescopic snapshot spans about 5 light-years at the estimated distance of the Flaming Star Nebula.",2016-12-01,astronomy,NASA,2025-01-18 08:56:49.776803
41
- A Full Plankton Moon,"What glows in the night? This night featured a combination of usual and unusual glows. Perhaps the most usual glow was from the Moon, a potentially familiar object. The full Moon's nearly vertical descent results from the observer being near Earth's equator. As the Moon sets, air and aerosols in Earth's atmosphere preferentially scatter out blue light, making the Sun-reflecting satellite appear reddish when near the horizon. Perhaps the most unusual glow was from the bioluminescent plankton, likely less familiar objects. These microscopic creatures glow blue, it is thought, primarily to surprise and deter predators. In this case, the glow was caused primarily by plankton-containing waves crashing onto the beach. The image was taken on Soneva Fushi Island, Maldives just over one year ago. Your Sky Surprise: What picture did APOD feature on your birthday? (post 1995)",2024-03-11,astronomy,NASA,2025-01-18 08:56:49.776803
42
- The Sky Towards Sagittarius,A variety of stars and nebulae can be found towards the constellation of Sagittarius. Dense fields of stars laced with dark lanes of dust crowd this region only a few degrees from the center of our Galaxy. Prominent nebulae include the red Lagoon Nebula (M8) in the lower right and the multicolored Trifid Nebula (M20) in the upper right. Recent high-resolution images of these nebulae show unusual features such as funnel-shaped clouds and proplyds that are not well understood.,1998-09-07,astronomy,NASA,2025-01-18 08:56:49.776803
43
- Streaming Dark Nebulas near B44,"Dark dust lit by the bright yellow star Antares highlight this photogenic starscape of the southern sky. A wider angle image shows the central band of our Milky Way Galaxy connected to Antares by streams of dust knows as the Dark River. At the head of the Dark River the dust appears in dense knots. One of the densest knots is B44, pictured near the bottom of the above image. Off to the left of the above image lies Antares, a star so bright that the pictured dust reflects its light, giving it a distinct yellow hue. Light from the blue star on the image left creates a surrounding blue reflection nebula named IC 4605. B44 and IC 4605 lies about 500 light years distant toward the constellation of the Scorpion.",2009-06-15,astronomy,NASA,2025-01-18 08:56:49.776803
44
- On a Blue Moon,"Rising at sunset, the gorgeous Full Moon of August 31 became the second Full Moon in a month. According to modern reckoning, that makes it a Blue Moon. In fact, parts of the Full Moon do look a little blue in this sharp lunar portrait. Taken just hours before the exact full phase in delightfully clear skies over Nottingham, UK, it features eye-catching bright rays extending from the prominent young crater Tycho in the Moon's southern hemisphere. The slightly color enhanced image also brings out subtle shades of blue, a real characteristic of terrain with a high content of titanium oxide and iron. The blue lunar terrain on the right includes the dark flat expanse of the Sea of Tranquility and the Apollo 11 landing site. Gallery: Blue Moon",2012-09-01,astronomy,NASA,2025-01-18 08:56:49.776803
45
- Andromeda over the Alps,"Have you ever seen the Andromeda galaxy? Although M31 appears as a faint and fuzzy blob to the unaided eye, the light you see will be over two million years old, making it likely the oldest light you ever will see directly. The featured image captured Andromeda just before it set behind the Swiss Alps early last year. As cool as it may be to see this neighboring galaxy to our Milky Way with your own eyes, long duration camera exposures can pick up many faint and breathtaking details. The image is composite of foreground and background images taken consecutively with the same camera and from the same location. Recent data indicate that our Milky Way Galaxy will collide and coalesce with Andromeda galaxy in a few billion years. Follow APOD on Facebook in: Arabic, English, Catalan, Portuguese, or Taiwanese",2023-11-13,astronomy,NASA,2025-01-18 08:56:49.776803
46
- "Full Moon, Full Mars","On December 8 a full Moon and a full Mars were close, both bright and opposite the Sun in planet Earth's sky. In fact Mars was occulted, passing behind the Moon when viewed from some locations across Europe and North America. Seen from the city of Kosice in eastern Slovakia, the lunar occultation of Mars happened just before sunrise. The tantalizing spectacle was recorded in this telescopic timelapse sequence of exposures. It took about an hour for the Red Planet to disappear behind the lunar disk and then reappear as a warm-hued full Moon, the last full Moon of 2022, sank toward the western horizon. The next lunar occultation of bright planet Mars will be in the new year on January 3, when the Moon is in a waxing gibbous phase. Lunar occultations are only ever visible from a fraction of the Earth's surface, though. The January 3 occultation of Mars will be visible from parts of the South Atlantic, southern Africa, and the Indian Ocean.",2022-12-15,astronomy,NASA,2025-01-18 08:56:49.776803
47
- A Venusian Tick,"August 23, 1995 A Venusian Tick Credit: NASA, Magellan Project Explanation: Data from the Magellan spacecraft has shown the Face of Venus to contain a host of volcanic features. This image shows an example of a fairly common type of venusian volcanic feature. Known as a ""tick"" it represents a volcano about 20 miles wide at the summit with ridges and valleys radiating down its sides lending it an insect like appearance. Scientists are particularly interested in exploring the geology of Venus. Because of its similarity with the Earth in size, density, and overall location in the solar system, Venus may offer key insights into the workings of our own planet. Do the familiar processes of volcanism and plate tectonics occur on our sister planet as well as our own? The detailed radar mapping of the planet performed by the Magellan probe has gone a long way toward answering this question.",1995-08-23,astronomy,NASA,2025-01-18 08:56:49.776803
48
- A Kitt Peak Leonid at 1026 UT,"Reports of the 2002 Leonid Meteor Shower are coming in from across the world. Preliminary indications have the shower as less active than last year but with an impressive peak seen through 1030 and 1100 Universal Time visible from much of North America. Observers reported many meteors at the peak arriving in groups. Pictured above is one such meteor from the peak caught earlier today by the Night Sky Live continuous camera at Kitt Peak National Observatory in Arizona, USA. A memorable event of the 2002 Leonids was when the town of Mitzpe Ramon in Israel dimmed its lights to allow better imaging of Leonid meteors from Wise Observatory.",2002-11-19,astronomy,NASA,2025-01-18 08:56:49.776803
49
- Big Beautiful Saturn,"As a present to APOD readers, digital imager Mattias Malmer offers a very high resolution view of big beautiful Saturn. A labor of love, his full mosaic, composite image is contained in a large 5 megabyte jpeg file (preview here, download here) and spans the gorgeous gas giant from ring tip to ring tip. It was pieced together from 102 frames (N00020905 to N00021033) recorded by the Cassini spacecraft ISS on October 6, 2004. The red, green, and blue frames are all uncalibrated, unvalidated images available to the public through the Cassini web site. Malmer's full panorama has a pixel size of 8400 by 3300, so only a substantially cropped version appears above. Enjoy the view and have a safe and Happy Holiday Season!",2004-12-25,astronomy,NASA,2025-01-18 08:56:49.776803
50
- Apollo 17's Moonship,"Awkward and angular looking, Apollo 17's lunar module Challenger was designed for flight in the near vacuum of space. Digitally enhanced and reprocessed, this picture taken from Apollo 17's command module America shows Challenger's ascent stage in lunar orbit. Small reaction control thrusters are at the sides of the moonship with the bell of the ascent rocket engine underneath. The hatch allowing access to the lunar surface is seen at the front, with a round radar antenna at the top. Mission commander Gene Cernan is clearly visible through the triangular window. This spaceship performed gracefully, landing on the Moon and returning the Apollo astronauts to the orbiting command module in December of 1972. So where is Challenger now? Its descent stage remains at the Apollo 17 landing site in the Taurus-Littrow valley. The ascent stage pictured was intentionally crashed nearby after being jettisoned from the command module prior to the astronauts' return to planet Earth. Apollo 17's mission came to an end 47 years ago today. It was the sixth and last time astronauts landed on the Moon.",2019-12-19,astronomy,NASA,2025-01-18 08:56:49.776803
51
- Amazing Comet Holmes,"One year ago, Comet 17P/Holmes amazed sky watchers across planet Earth. A stunningly rapid outburst transformed it from a faint comet quietly orbiting the Sun with a period of about 7 years to a naked-eye comet rivaling the brighter stars in the constellation Perseus. Its largely tail-less shape, as in this wide-angle view recorded on November 11, 2007, became well-known to astronomers trying to unravel the mystery of the comet's surprising outburst . Still, Comet Holmes had a dim ion tail that was seen to separate from the bright coma. In this image, the separated tail creates the illusion of a reflection nebula. It appears as a faint bluish haze right of center against a background of stars in the loosely grouped Alpha Persei Moving Cluster.",2008-10-24,astronomy,NASA,2025-01-18 08:56:49.776803
52
- 433 Eros (A898 PA),NEO with diameter between 22.01 and 49.21 km,,neo,NASA,2025-01-18 08:56:49.776803
53
- 719 Albert (A911 TB),NEO with diameter between 2.03 and 4.53 km,,neo,NASA,2025-01-18 08:56:49.776803
54
- 887 Alinda (A918 AA),NEO with diameter between 4.53 and 10.14 km,,neo,NASA,2025-01-18 08:56:49.776803
55
- 1036 Ganymed (A924 UB),NEO with diameter between 38.78 and 86.70 km,,neo,NASA,2025-01-18 08:56:49.776803
56
- 1221 Amor (1932 EA1),NEO with diameter between 0.89 and 1.99 km,,neo,NASA,2025-01-18 08:56:49.776803
57
- 1566 Icarus (1949 MA),NEO with diameter between 1.30 and 2.91 km,,neo,NASA,2025-01-18 08:56:49.776803
58
- 1580 Betulia (1950 KA),NEO with diameter between 3.08 and 6.89 km,,neo,NASA,2025-01-18 08:56:49.776803
59
- 1620 Geographos (1951 RA),NEO with diameter between 2.35 and 5.25 km,,neo,NASA,2025-01-18 08:56:49.776803
60
- 1627 Ivar (1929 SH),NEO with diameter between 7.22 and 16.15 km,,neo,NASA,2025-01-18 08:56:49.776803
61
- 1685 Toro (1948 OA),NEO with diameter between 3.70 and 8.28 km,,neo,NASA,2025-01-18 08:56:49.776803
62
- 1862 Apollo (1932 HA),NEO with diameter between 1.62 and 3.61 km,,neo,NASA,2025-01-18 08:56:49.776803
63
- 1863 Antinous (1948 EA),NEO with diameter between 2.15 and 4.81 km,,neo,NASA,2025-01-18 08:56:49.776803
64
- 1864 Daedalus (1971 FA),NEO with diameter between 2.85 and 6.37 km,,neo,NASA,2025-01-18 08:56:49.776803
65
- 1865 Cerberus (1971 UA),NEO with diameter between 1.17 and 2.61 km,,neo,NASA,2025-01-18 08:56:49.776803
66
- 1866 Sisyphus (1972 XA),NEO with diameter between 8.41 and 18.79 km,,neo,NASA,2025-01-18 08:56:49.776803
67
- 1915 Quetzalcoatl (1953 EA),NEO with diameter between 0.56 and 1.25 km,,neo,NASA,2025-01-18 08:56:49.776803
68
- 1916 Boreas (1953 RA),NEO with diameter between 2.72 and 6.08 km,,neo,NASA,2025-01-18 08:56:49.776803
69
- 1917 Cuyo (1968 AA),NEO with diameter between 3.50 and 7.84 km,,neo,NASA,2025-01-18 08:56:49.776803
70
- 1943 Anteros (1973 EC),NEO with diameter between 1.93 and 4.31 km,,neo,NASA,2025-01-18 08:56:49.776803
71
- 1980 Tezcatlipoca (1950 LA),NEO with diameter between 4.56 and 10.19 km,,neo,NASA,2025-01-18 08:56:49.776803
 
 
1
  title,description,date,data_type,source,scrape_timestamp
2
+ Thor's Helmet from CFHT,"NGC 2359 is a striking emission nebula with an impressive popular name - Thor's Helmet Sure, its suggestive winged appearance might lead some to refer to it as the ""duck nebula"", but if you were a nebula which name would you choose? By any name NGC 2359 is a bubble-like nebula some 30 light-years across, blown by energetic winds from an extremely hot star seen near the center and classified as a Wolf-Rayet star. Wolf-Rayet stars are rare massive blue giants which develop stellar winds with speeds of millions of kilometers per hour. Interactions with a nearby large molecular cloud are thought to have contributed to this nebula's more complex shape and curved bow-shock structures. NGC 2359 is about 15,000 light-years distant toward the constellation Canis Major.",2007-01-30,astronomy,NASA,2025-01-18 08:39:26.347727
3
+ Central Lunar Eclipse,"Reddened by scattered sunlight, the Moon in the center is passing through the center of Earth's dark umbral shadow in this July 27 lunar eclipse sequence. Left to right the three images are from the start, maximum, and end to 103 minutes of totality from the longest lunar eclipse of the 21st century. The longest path the Moon can follow through Earth's shadow does cross the shadow's center, that's what makes such central lunar eclipses long ones. But July 27 was also the date of lunar apogee, and at the most distant part of its elliptical orbit the Moon moves slowest. For the previous lunar eclipse, last January 31, the Moon was near its orbital perigee. Passing just south of the Earth shadow central axis, totality lasted only 76 minutes. Coming up on January 21, 2019, a third consecutive total lunar eclipse will also be off center and find the Moon near perigee. Then totality will be a mere 62 minutes long.",2018-08-03,astronomy,NASA,2025-01-18 08:39:26.347727
4
+ Strawberry to Honey Moonrise,"Near the horizon the Full Moon often seems to loom large, swollen in appearance by the famous Moon illusion. But timelapse images demonstrate that the Moon's apparent size doesn't really change as it climbs toward the zenith. Its color does, though. Recording a frame every 10 seconds, this image shows how dramatic that color change can be. The composite follows a solstice Full Moon climbing above a rugged horizon over northwestern Indiana. A shrinking line-of-sight through planet Earth's dense and dusty atmosphere shifted the moonlight from strawberry red through honey-colored and paler yellowish hues. That change seems appropriate for a northern June Full Moon also known as the Strawberry or Honey Moon.",2016-06-25,astronomy,NASA,2025-01-18 08:39:26.347727
5
+ Approaching Pluto,"Here comes Pluto. NASA's robotic New Horizons spacecraft is now beyond the orbit of Neptune and closing fast on the Solar System's most famous unexplored world. The featured time lapse video shows Pluto and Pluto's largest moon, Charon, orbiting their common center of mass in 13 frames taken from April 12 to April 18. Although blurry, images in the video now rival even the best images of Pluto yet taken from Earth. New Horizons remains on schedule to zoom past the distant dwarf planet on July 14.",2015-05-27,astronomy,NASA,2025-01-18 08:39:26.347727
6
+ LkHa101: The Hole in the Doughnut,"You'd need a really big cup of coffee with this doughnut ... because the hole in the middle is about a billion kilometers across. Centered on the Sun, a circle that size would lie between the orbits of Mars and Jupiter. In fact, this doughnut is known to surround a massive newborn star cataloged as LkHa 101 which lies in the constellation Perseus. Imaged in infrared light, the tantalizing torus-shaped cloud of gas and dust is slightly tilted to our view. The cloud's material may well be the ingredients for the formation of a distant solar system. A bright source of ultraviolet light, the hot young star itself is much fainter in the infrared and so not visible in this picture. Still, the star's presence is indicated as its intense stellar wind and radiation has apparently carved out the doughnut's hole. This premier close-up of a stellar system in formation was accomplished by adapting a powerful observational technique called interferometry to planet Earth's largest single mirror telescope, the 10 meter Keck.",2001-03-02,astronomy,NASA,2025-01-18 08:39:26.347727
7
+ NGC 7027: A Dying Star's Nebula,"This pseudo-color composite of two recent Hubble Space Telescope images is a picture of a Sun-like star nearing the end of its lifetime. The exquisite details visible in this planetary nebula indicate that when the star passed through its Red Giant phase it initially shrugged off its outer atmosphere gently and evenly producing the outer faint spherical shells. As the process continued, material was apparently ejected in dense clumps producing dust clouds in the bright inner regions. The whole ejection process was amazingly rapid, taking only a few thousand years compared to a 10 billion year lifetime typical for Solar type stars. In the end the hot stellar core, now a white dwarf star, was left - seen here as a white dot at the center of the nebula. Our middle-aged Sun will experience a similar fate ... in about 5 billion years!",1996-01-17,astronomy,NASA,2025-01-18 08:39:26.347727
8
+ A Message From Earth,"What are these Earthlings trying to tell us? The above message was broadcast from Earth towards the globular star cluster M13 in 1974. During the dedication of the Arecibo Observatory - still the largest radio telescope in the world - a string of 1's and 0's representing the above diagram was sent. This attempt at extraterrestrial communication was mostly ceremonial - humanity regularly broadcasts radio and television signals out into space accidentally. Even were this message received, M13 is so far away we would have to wait almost 50,000 years to hear an answer. The above message gives a few simple facts about humanity and its knowledge: from left to right are numbers from one to ten, atoms including hydrogen and carbon, some interesting molecules, DNA, a human with description, basics of our Solar System, and basics of the sending telescope. Several searches for extraterrestrial intelligence are currently underway, including one where you can use your own home computer.",2005-03-13,astronomy,NASA,2025-01-18 08:39:26.347727
9
+ Arp 159 and NGC 4725,"Pointy stars and peculiar galaxies span this cosmic snapshot, a telescopic view toward the well-groomed constellation Coma Berenices. Bright enough to show off diffraction spikes, the stars are in the foreground of the scene, well within our own Milky Way. But the two prominent galaxies lie far beyond our own, some 41 million light-years distant. Also known as NGC 4747, the smaller distorted galaxy at left is the 159th entry in the Arp Atlas of Peculiar Galaxies, with extensive tidal tails indicative of strong gravitational interactions in its past. At about a 100,000 light-years across, its likely companion on the right is the much larger NGC 4725. At first glance NGC 4725 appears to be a normal spiral galaxy, its central region dominated by the yellowish light of cool, older stars giving way to younger hot blue star clusters along dusty spiral outskirts. Still, NGC 4725 does look a little odd with only one main spiral arm.",2015-09-03,astronomy,NASA,2025-01-18 08:39:26.347727
10
+ Volcano and Aurora in Iceland,"Sometimes both heaven and Earth erupt. In Iceland in 1991, the volcano Hekla erupted at the same time that auroras were visible overhead. Hekla, one of the most famous volcanoes in the world, has erupted at least 20 times over the past millennium, sometimes causing great destruction. The last eruption occurred only six years ago but caused only minor damage. The green auroral band occurred fortuitously about 100 kilometers above the erupting lava. Is Earth the Solar System's only planet with both auroras and volcanos?",2006-01-29,astronomy,NASA,2025-01-18 08:39:26.347727
11
+ Leonids Over Korean Observatory,"There were two peaks to this year's Leonid Meteor Shower. The first peak was best seen during the early morning hours of November 18 in North America, while the second peak, almost twice the intensity of the first, occurred eight hours later and was best seen from Asia. Pictured above is an image of SoBaekSan National Observatory in Korea during the second Leonid peak, starting at 3:50 am local time. Visible in the background are numerous Leonid meteors bright enough to be seen over background light even during the 40-minute exposure. Local observers reported an average of over one meteor per second during this outburst. Next year's Leonid Meteor Shower might be even more intense but will have to compete will the glare of a nearly full moon.",2001-12-12,astronomy,NASA,2025-01-18 08:39:26.347727
12
+ Winter Night at Pic du Midi,"This dreamlike view looking south from the historic mountain top Pic du Midi Observatory combines moonlit domes, a winter night sky, and the snowy peaks of the French Pyrenees. Encroaching on the night, lights from the La Mongie ski resort illuminate the mountain slopes nearby while the glow along the distant horizon is from urban areas in southern France and Spain. The night sky features stars of the constellations Orion and Gemini with a bright planet Mars very near the top edge, left of center. The three prominent domes visible (from left to right) house a 0.6 meter telescope reserved for amateur astronomers, a 1 meter telescope that was used to support the Apollo lunar landing missions, and the new, Sun-watching CLIMSO.",2008-01-25,astronomy,NASA,2025-01-18 08:39:26.347727
13
+ Manicouagan Impact Crater on Earth,"The Manicouagan Crater in northern Canada is one of the oldest impact craters known. Formed during a surely tremendous impact about 200 million years ago, the present day terrain supports a 70-kilometer diameter hydroelectric reservoir in the telltale form of an annular lake. The crater itself has been worn away by the passing of glaciers and other erosional processes. Still, the hard rock at the impact site has preserved much of the complex impact structure and so allows scientists a leading case to help understand large impact features on Earth and other Solar System bodies. Also visible above is the vertical fin of the Space Shuttle Columbia from which the picture was taken in 1983.",2000-12-13,astronomy,NASA,2025-01-18 08:39:26.347727
14
+ Close-Up of the Lagoon,"Stars are battling gas and dust in the Lagoon Nebula but the photographers are winning. Also known as M8, this photogenic nebula is visible even without binoculars towards the constellation of Sagittarius. The energetic processes of star formation create not only the colors but the chaos. The red-glowing gas results from high-energy starlight striking interstellar hydrogen gas. The dark dust filaments that lace M8 were created in the atmospheres of cool giant stars and in the debris from supernovae explosions. This spectacular portion of the Lagoon Nebula taken by the CFHT was created from light emitted by hydrogen (shown in red) and light emitted by oxygen (shown in green). The light from M8 we see today left about 5000 years ago. Light takes about 50 years to cross this section of M8.",2004-08-16,astronomy,NASA,2025-01-18 08:39:26.347727
15
+ "Hale Bopp and Orion
16
+ Credit and Copyright:","Comet Hale-Bopp is still brighter than most constellations. In fact, Comet Hale-Bopp may now hold the record for staying bright the longest. Last week the comet was photographed above in the same field as the constellation Orion, visible in the photograph's center, as well as with Sirius, the brightest star in the night, visible on the far left. Just below Comet Hale-Bopp on the right is the volcanic caldera known as White Mountain.. As the comet heads south, it has become visible to most of the world, now including many observers in the Earth's Southern Hemisphere.",1997-04-29,astronomy,NASA,2025-01-18 08:39:26.347727
17
+ The Witch Head Nebula,"Double, double toil and trouble; Fire burn, and cauldron bubble ... Maybe Macbeth should have consulted the Witch Head Nebula. This suggestively shaped reflection nebula is associated with the bright star Rigel in the constellation Orion. More formally known as IC 2118, the Witch Head Nebula glows primarily by light reflected from Rigel. Rigel is located about one photo-width off the image to the right. Fine dust in the nebula reflects the light. The blue color is caused not only by Rigel's blue color but because the dust grains reflect blue light more efficiently than red. The same physical process causes Earth's daytime sky to appear blue, although the scatterers here are molecules of nitrogen and oxygen. The nebula lies about 1000 light-years away.",1998-02-09,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Moon Over Andromeda,"The Great Spiral Galaxy in Andromeda (aka M31), a mere 2.5 million light-years distant, is the closest large spiral to our own Milky Way. Andromeda is visible to the unaided eye as a small, faint, fuzzy patch, but because its surface brightness is so low, casual skygazers can't appreciate the galaxy's impressive extent in planet Earth's sky. This entertaining composite image compares the angular size of the nearby galaxy to a brighter, more familiar celestial sight. In it, a deep exposure of Andromeda, tracing beautiful blue star clusters in spiral arms far beyond the bright yellow core, is combined with a typical view of a nearly full Moon. Shown at the same angular scale, the Moon covers about 1/2 degree on the sky, while the galaxy is clearly several times that size. The deep Andromeda exposure also includes two bright satellite galaxies, M32 and M110 (bottom).",2013-08-01,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Comet Holmes Over Hungary,"Comet Holmes refuses to fade. The unusual comet that surprisingly brightened nearly a million-fold in late October continues to remain visible to the unaided eye from dark locations. Night to night, Comet 17P/Holmes is slowly gliding through the constellation Perseus, remaining visible to northern observers during much of the night right from sunset. Pictured above, Comet Holmes was captured from Hungary last week. The remarkable snowball continues to retain a huge coma, but now shows very little of a tail. To the far right is the open cluster of stars NGC 1245. How much longer Comet Holmes will remain visible to the unaided eye is unknown.",2007-12-05,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Portrait of NGC 281,"Look through the cosmic cloud cataloged as NGC 281 and you might miss the stars of open cluster IC 1590. Still, formed within the nebula that cluster's young, massive stars ultimately power the pervasive nebular glow. The eye-catching shapes looming in this portrait of NGC 281 are sculpted columns and dense dust globules seen in silhouette, eroded by intense, energetic winds and radiation from the hot cluster stars. If they survive long enough, the dusty structures could also be sites of future star formation. Playfully called the Pacman Nebula because of its overall shape, NGC 281 is about 10,000 light-years away in the constellation Cassiopeia. This sharp composite image was made through narrow-band filters, combining emission from the nebula's hydrogen, sulfur, and oxygen atoms in green, red, and blue hues. It spans over 80 light-years at the estimated distance of NGC 281.",2017-09-30,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Perseverance Takes a Spin,"After arriving at Jezero Crater on Mars, Perseverance went for a spin on March 4. This sharp image from the car-sized rover's Navcam shows tracks left by its six wheels in the martian soil. In preparation for operations on the surface of the Red Planet, its first drive lasted about 33 minutes. On a short and successful test drive Perseverance moved forward 4 meters, made a 150 degree turn in place, backed up for 2.5 meters, and now occupies a different parking space at its newly christened Octavia E. Butler Landing location. Though the total travel distance of the rover's first outing was about 6.5 meters (21 feet), regular commutes of 200 meters or more can be expected in the future. Please take a short survey in aesthetics & astronomy: Sonification",2021-03-06,astronomy,NASA,2025-01-18 08:39:26.347727
22
+ Asteroid Gaspra's Best Face,"Asteroid 951 Gaspra is a huge rock tumbling in space. Gaspra became one of the best-studied asteroids in 1991 when the spacecraft Galileo flew by. In the above photograph, subtle color variations have been exaggerated to highlight changes in reflectivity, surface structure and composition. Gaspra is about 20 kilometers long and orbits the Sun in the main asteroid belt between Mars and Jupiter.",1998-07-12,astronomy,NASA,2025-01-18 08:39:26.347727
23
+ The Eagle Nebula from Kitt Peak,"From afar, the whole thing looks like an Eagle. A closer look at the Eagle Nebula, however, shows the bright region is actually a window into the center of a larger dark shell of dust. Through this window, a brightly-lit workshop appears where a whole open cluster of stars is being formed. In this cavity tall pillars and round globules of dark dust and cold molecular gas remain where stars are still forming. Already visible are several young bright blue stars whose light and winds are burning away and pushing back the remaining filaments and walls of gas and dust. The Eagle emission nebula, tagged M16, lies about 6500 light years away, spans about 20 light-years, and is visible with binoculars toward the constellation of the Serpent (Serpens). This picture combines three specific emitted colors and was taken with the 0.9-meter telescope on Kitt Peak, Arizona, USA.",2012-04-16,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Wisps of the Veil Nebula,"Wisps like this are all that remain visible of a Milky Way star. About 9,000 years ago that star exploded in a supernova leaving the Veil Nebula, also known as the Cygnus Loop. At the time, the expanding cloud was likely as bright as a crescent Moon, remaining visible for weeks to people living at the dawn of recorded history. Today, the resulting supernova remnant has faded and is now visible only through a small telescope directed toward the constellation of the Swan (Cygnus). The remaining Veil Nebula is physically huge, however, and even though it lies about 1,400 light-years distant, it covers over five times the size of the full Moon. In images like this of the complete Veil Nebula, studious readers should be able to identify several of the individual filaments. A bright wisp at the right is known as the Witch's Broom Nebula.",2012-11-26,astronomy,NASA,2025-01-18 08:39:26.347727
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+ NGC 2440: Cocoon of a New White Dwarf,"Like a butterfly, a white dwarf star begins its life by casting off a cocoon that enclosed its former self. In this analogy, however, the Sun would be a caterpillar and the ejected shell of gas would become the prettiest of all! The above cocoon, the planetary nebula designated NGC 2440, contains one of the hottest white dwarf stars known. The white dwarf can be seen as the bright dot near the photo's center. Our Sun will eventually become a ""white dwarf butterfly"", but not for another 5 billion years. The above false color image and was post-processed by F. Hamilton.",1998-04-26,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Ring of Fire from Cape Wrath,"If the Moon's apparent diameter is not quite large enough to cover the Sun during a solar eclipse, an annular eclipse can be the result -- a spectacle of silhouetted Moon surrounded by a solar ""ring of fire"". Just such a view was possible for observers in the far northern hemisphere as the new Moon slid across the solar disk on May 31st. Still, for astronomical adventurers at Cape Wrath on the northwestern coast of Scotland, the eastern sky was cloudy on eclipse day. But fortunately the Sun became visible a few minutes prior to the annular phase and determined astronomer Hans Coeckelberghs was able to capture this dramatic telescopic image of the eclipsed Sun's ring of fire looming through a reddened, cloud-streaked sky. Not to be outdone by the north, the far southern hemisphere will host the next solar eclipse, with the path of totality racing across Antarctica on November 23rd.",2003-06-05,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Stephan's Quintet from Hubble,"When did these big galaxies first begin to dance? Really only four of the five of Stephan's Quintet are locked in a cosmic tango of repeated close encounters taking place some 300 million light-years away. The odd galaxy out is easy to spot in this recently reprocessed image by the Hubble Space Telescope -- the interacting galaxies, NGC 7319, 7318B, 7318A, and 7317 (left to right), have a more dominant yellowish cast. They also tend to have distorted loops and tails, grown under the influence of disruptive gravitational tides. The mostly bluish galaxy, large NGC 7320 on the lower left, is in the foreground at about 40 million light-years distant, and so is not part of the interacting group. Data and modeling indicate that NGC 7318B is a relatively new intruder. A recently-discovered halo of old red stars surrounding Stephan's Quintet indicate that at least some of these galaxies started tangling over a billion years. Stephan's Quintet is visible with a moderate sized-telescope toward the constellation of Winged Horse (Pegasus).",2019-06-03,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Supernova Remnant E0102-72,"The expanding debris cloud from the explosion of a massive star is captured in this multiwavelength composite, combining x-ray and optical images from the Chandra and Hubble telescopes. Identified as E0102-72, the supernova remnant lies about 190,000 light-years away in our neighboring galaxy, the Small Magellanic Cloud. A strong cosmic source of x-rays, E0102 was imaged by the Chandra X-ray Observatory shortly after its launch in 1999. In celebration of Chandra's 10th anniversary, this colorful view of E0102 and its environs was created, including additional Chandra data. An analysis of all the data indicates that the overall shape of E0102 is most likely a cylinder that is viewed end-on rather than a spherical bubble. The intriguing result implies that the massive star's explosion has produced a shape similar to what is seen in some planetary nebulae associated with lower mass stars. At the distance of the Small Magellanic Cloud, this field of view spans about 150 light-years.",2009-09-05,astronomy,NASA,2025-01-18 08:39:26.347727
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+ M13: The Great Globular Cluster in Hercules,"M13 is one of the most prominent and best known globular clusters. Visible with binoculars in the constellation of Hercules, M13 is frequently one of the first objects found by curious sky gazers seeking celestials wonders beyond normal human vision. M13 is a colossal home to over 100,000 stars, spans over 150 light years across, lies over 20,000 light years distant, and is over 12 billion years old. At the 1974 dedication of Arecibo Observatory, a radio message about Earth was sent in the direction of M13. The reason for the low abundance of unusual blue straggler stars in M13 is currently unknown.",2000-03-01,astronomy,NASA,2025-01-18 08:39:26.347727
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+ NGC 4565: Galaxy on Edge,"Is our Milky Way Galaxy this thin? Magnificent spiral galaxy NGC 4565 is viewed edge-on from planet Earth. Also known as the Needle Galaxy for its narrow profile, bright NGC 4565 is a stop on many telescopic tours of the northern sky, in the faint but well-groomed constellation Coma Berenices. This sharp, colorful image reveals the spiral galaxy's boxy, bulging central core cut by obscuring dust lanes that lace NGC 4565's thin galactic plane. An assortment of other background galaxies is included in the pretty field of view. Thought similar in shape to our own Milky Way Galaxy, NGC 4565 lies about 40 million light-years distant and spans some 100,000 light-years. Easily spotted with small telescopes, sky enthusiasts consider NGC 4565 to be a prominent celestial masterpiece Messier missed.",2021-05-17,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Eclipse Shadow Cone Over Patagonia,"Sometimes, during a total eclipse of the Sun, a strange shadow of darkness can be seen stretching off into the distance. Called shadow cones, they are visible because the Earth's atmosphere is not completely transparent, scattering sunlight and hence appearing blue during the day. Shadow cones are particularly dramatic for eclipses near the horizon, as geometry creates a long corridor of sun-blocked air. Visible above is a shadow cone caught during a sunset total solar eclipse visible last month from Patagonia, Argentina. The eclipsed Sun itself still appears bright around the edges of the Moon because of light from the surrounding corona. A few minutes later, the Moon began to move away from the Sun as both set behind distant Andes mountains.",2010-08-04,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Topographical Mars,"Contrasting colors trace changing elevations in this new high-resolution topographic map of Mars. Just released, the data were gathered in 1998 and 1999 by the Mars Orbiter Laser Altimeter (MOLA) onboard the Mars Global Surveyor spacecraft. The martian topography is seen to range over 19 miles between the highest volcanic peaks (white) and the lowest regions (purple). Along with the striking difference between the Red Planet's low northern hemisphere (top) and high southern regions, one of the most noticeable features on the map is the large blue-purple southern depression corresponding to the Hellas basin. Likely the result of an asteroid impact, Mars' deepest basin is about 1300 miles across making it one of the largest impact features in the Solar System. Explorations of MOLA's rich topographic database are expected to produce insights into water flows and the geologic history of Mars.",1999-05-28,astronomy,NASA,2025-01-18 08:39:26.347727
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+ A Chamaeleon Sky,"A photogenic group of nebulae can be found toward Chamaeleon, a constellation visible predominantly in skies south of the Earth's equator. Celestial objects visible there include the blue reflection nebulas highlighted by thin dust surrounding the bright stars in the above image center. Toward the top and lower right, dark molecular clouds laced with thick dust block light from stars in the background. The parent molecular cloud Chamaeleon I is located about 450 light years from Earth.",2002-06-09,astronomy,NASA,2025-01-18 08:39:26.347727
34
+ Albert Einstein Describes Space and Time,"Albert Einstein (1879-1955) is considered by many the greatest astrophysicist and single most significant Person of the 20th Century. He is pictured here in the Swiss Patent Office where he did much of his defining work. Einstein's many visionary scientific contributions include the equivalence of mass and energy (E=mc^2), how the maximum speed limit of light affects measurements of time and space (special relativity), and a more accurate theory of gravity based on simple geometric concepts (general relativity). One reason Einstein was awarded the 1921 Nobel Prize in Physics was to make the prize more prestigious.",2000-01-08,astronomy,NASA,2025-01-18 08:39:26.347727
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+ M78 and Orion Dust Reflections,"In the vast Orion Molecular Cloud complex, several bright blue nebulas are particularly apparent. Pictured here are two of the most prominent reflection nebulas - dust clouds lit by the reflecting light of bright embedded stars. The more famous nebula is M78, in the image center, cataloged over 200 years ago. To its left is the lesser known NGC 2071. Astronomers continue to study these reflection nebulas to better understand how interior stars form. The Orion complex lies about 1500 light-years distant, contains the Orion and Horsehead nebulas, and covers much of the constellation of Orion. Almost Hyperspace: Random APOD Generator",2017-01-24,astronomy,NASA,2025-01-18 08:39:26.347727
36
+ Saturn at Night,"Still bright in planet Earth's night skies, good telescopic views of Saturn and its beautiful rings often make it a star at star parties. But this stunning view of Saturn's rings and night side just isn't possible from telescopes closer to the Sun than the outer planet. They can only bring Saturn's day into view. In fact, this image of Saturn's slender sunlit crescent with night's shadow cast across its broad and complex ring system was captured by the Cassini spacecraft. A robot spacecraft from planet Earth, Cassini called Saturn orbit home for 13 years before it was directed to dive into the atmosphere of the gas giant on September 15, 2017. This magnificent mosaic is composed of frames recorded by Cassini's wide-angle camera only two days before its grand final plunge. Saturn's night will not be seen again until another spaceship from Earth calls.",2019-09-20,astronomy,NASA,2025-01-18 08:39:26.347727
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+ "Dwarf Planet, Bright Spot","Now at Ceres, Dawn's camera recorded this closer view of the dwarf planet's northern hemisphere and one of its mysterious bright spots on May 4. A sunlit portrait of a small, dark world about 950 kilometers in diameter, the image is part of a planned sequence taken from the solar-powered spacecraft's 15-day long RC3 mapping orbit at a distance of 13,600 kilometers (8,400 miles). The animated sequence shows Ceres' rotation, its north pole at the top of the frame. Imaged by Hubble in 2004 and then by Dawn as it approached Ceres in 2015, the bright spot itself is revealed to be made up of smaller spots of reflective material that could be exposed ice glinting in the sunlight. On Saturday, Dawn's ion propulsion system was turned on to spiral the spacecraft into a closer 4,350-kilometer orbit by June 6. Of course another unexplored dwarf planet, Pluto, is expecting the arrival of a visitor from Earth, the New Horizons spacecraft, by mid-July.",2015-05-14,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Atlantis on Pad 39A,"An intricate network of lighting plays across the 130 foot high Rotating Service Structure (RSS) in this dramatic night view of the Space Shuttle Atlantis on the Kennedy Space Center's launch pad 39A. Small human figures visible in silhouette emphasize the structure's enormous scale. Seen here after rolling back before Thursday's shuttle launch, the RSS provides pre-launch access to the orbiter and its payload. For this mission to the International Space Station, STS-122, Atlantis' payload is the European Space Agency's Columbus science laboratory. During the mission, three space walks are planned to attach the Columbus lab. Atlantis is expected to dock with the space station today.",2008-02-09,astronomy,NASA,2025-01-18 08:39:26.347727
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+ A Very Large Array of Radio Telescopes,"Pictured above is one of the world's premiere radio astronomical observatories: The Very Large Array (VLA). Each antenna dish is as big as a house (25 meters across) and mounted on railroad tracks. The VLA consists of 27 dishes - together capable of spanning the size of a city (35 kilometers). The VLA is the most sensitive radio telescope ever, and, through interferometry, can resolve a golf ball-sized radio source 150 kilometers away (0.04 arcsec). The VLA is continually making new discoveries, including determining the composition of galaxies, passing comets, quasars, HII regions, and clusters of galaxies. The VLA is also used to receive the weak radio signals broadcast from interplanetary spacecraft. The VLA is located in New Mexico, USA. A significant upgrade of VLA's capabilities is planned.",1997-07-27,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Aurora Over Yellowknife,"Sometimes, after your eyes adapt to the dark, a spectacular sky appears. In this case, a picturesque lake lies in front of you, beautiful green auroras flap high above you, brilliant stars shine far in the distance, and a brilliant moon shines just ahead of you. This digitally fused panorama was captured earlier this month from Yellowknife, Northwest Territories, Canada, and includes the Pleiades open cluster of stars just to the upper right of the Moon. Since auroras are ultimately started by solar activity, this current flurry of auroras is somewhat surprising, given the historic lack of sunspots and other activity on the Sun over the past two years. This time of year is known as aurora season, however, for noted average increases in auroras. The reason for the yearly increase is not known for sure, but possibly relates to the tilt of the Earth creating a more easily traversable connection between the Earth's magnetic field and the magnetic field of the Sun's changing wind streams.",2009-09-22,astronomy,NASA,2025-01-18 08:39:26.347727
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+ A Magellanic Mural,"Two galaxies stand out to casual observers in Earth's Southern Hemisphere: the Large Magellanic Cloud (LMC) and the Small Magellanic Cloud (SMC). These irregular galaxies are two of the closest galaxies to our Milky Way Galaxy. Recent observations of the LMC (on the left) have determined that it is on a nearly circular orbit around our Galaxy, and have even helped in the determination of the composition of dark matter in our Galaxy. The above photograph spans 40 degrees. Visible on the lower left of the LMC is the Tarantula Nebula (in red). In the foreground to the right of the SMC is globular cluster 47 Tucanae, appearing here as a bright point of light.",1998-02-03,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Tycho's Supernova Remnant in X-ray,"How often do stars explode? By looking at external galaxies, astronomers can guess that these events, known as a supernovae, should occur about once every 30 years in a typical spiral galaxy like our MilkyWay. However, the obscuring gas and dust in the disk of our galaxy probably prevents us from seeing many galactic supernovae -- making observations of these events in our own galaxy relatively rare. In fact, in 1572, the revered Danish astronomer, Tycho Brahe, witnessed one of the last to be seen. The remnant of this explosion is still visible today as the shockwave it generated continues to expand into the gas and dust between the stars.Above is an image of the X-rays emitted by this shockwave made by a telescope onboard the ROSAT spacecraft. The nebula is known as Tycho's Supernova Remnant.",1999-03-07,astronomy,NASA,2025-01-18 08:39:26.347727
43
+ Highlights of the North Winter Sky,"What can you see in the night sky this season? The featured graphic gives a few highlights for Earth's northern hemisphere. Viewed as a clock face centered at the bottom, early (northern) winter sky events fan out toward the left, while late winter events are projected toward the right. Objects relatively close to Earth are illustrated, in general, as nearer to the cartoon figure with the telescope at the bottom center -- although almost everything pictured can be seen without a telescope. As happens during any season, constellations appear the same year to year, and, as usual, the Geminids meteor shower will peak in mid-December. Also as usual, the International Space Station (ISS) can be seen, at times, as a bright spot drifting across the sky after sunset. Less usual, the Moon is expected to pass nearly in front of several planets in early January. A treat this winter is Comet 46P/Wirtanen, already bright, will pass only 36 lunar distances from the Earth in mid-December, potentially making it easily visible to the unaided eye.",2018-12-05,astronomy,NASA,2025-01-18 08:39:26.347727
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+ The International Space Station Expands Again,"The developing International Space Station (ISS) has changed its appearance yet again. Last month the Space Shuttle Atlantis visited the ISS and installed the third of eleven pieces that will compose the Integrated Truss Structure. The new S-1 Truss is visible on the right, below the extended solar panels across the top. The world's foremost space outpost can be seen developing over the past few years by comparing the above image to past images. Also visible above are many different types of modules, a robotic arm, several wing-like solar panels, and a supply ship. Construction began on the ISS in 1998 and the core structure should be in place before 2005. Yesterday, the ISS celebrated its second anniversary of continuous human habitation.",2002-11-03,astronomy,NASA,2025-01-18 08:39:26.347727
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+ "The Light, Dark, and Dusty Trifid","Messier 20, popularly known as the Trifid Nebula, lies about 5,000 light-years away toward the nebula rich constellation Sagittarius. A star forming region in the plane of our galaxy, the Trifid does illustrate three different types of astronomical nebulae; red emission nebulae dominated by light from hydrogen atoms, blue reflection nebulae produced by dust reflecting starlight, and dark nebulae where dense dust clouds appear in silhouette. The reddish emission region, roughly separated into three parts by obscuring dust lanes, is what lends the Trifid its popular name. The cosmic cloud complex is over 40 light-years across and would cover the area of a full moon on planet Earth's sky. But the Trifid Nebula is too faint to be seen by the unaided eye. Over 75 hours of image data captured under dark night skies was used to create this stunning telescopic view. Watch: The Perseid Meteor Shower",2024-08-10,astronomy,NASA,2025-01-18 08:39:26.347727
46
+ The First Explorer,"The first US spacecraft was Explorer 1. The cylindrical 30 pound satellite was launched (above) as the fourth stage of a Jupiter-C rocket (a modified US Army Redstone ballistic missile) and achieved orbit on January 31, 1958. Explorer I carried instrumentation to measure internal and external temperatures, micrometeorite impacts, and an experiment designed by James A. Van Allen to measure the density of electrons and ions in space. The measurements made by Van Allen's experiment led to an unexpected and startling discovery - an earth-encircling belt of high energy electrons and ions trapped in the magnetosphere - now known as the Van Allen Belt. Explorer I ceased transmitting on February 28 of that year but remained in orbit until March of 1970.",1996-02-10,astronomy,NASA,2025-01-18 08:39:26.347727
47
+ Orion's Horsehead Nebula,"The Horsehead Nebula is one of the most famous nebulae on the sky. It is visible as the black indentation to the red emission nebula seen just to the right of center of the above photograph. The bright star near the center is located in the belt of the familiar constellation of Orion. The horse-head feature is dark because it is really an opaque dust cloud which lies in front of the bright red emission nebula. Like clouds in Earth's atmosphere, this cosmic cloud has assumed a recognizable shape by chance. After many thousands of years, the internal motions of the cloud will alter its appearance. The emission nebula's red color is caused by electrons recombining with protons to form hydrogen atoms. Also visible in the picture are blue reflection nebulae, which preferentially reflect the blue light from nearby stars.",1997-10-25,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Lynds Dark Nebula 1251,"Stars are forming in Lynds Dark Nebula (LDN) 1251. About 1,000 light-years away and drifting above the plane of our Milky Way galaxy, the dusty molecular cloud is part of a complex of dark nebulae mapped toward the Cepheus flare region. Across the spectrum, astronomical explorations of the obscuring interstellar clouds reveal energetic shocks and outflows associated with newborn stars, including the telltale reddish glow from scattered Herbig-Haro objects seen in this sharp image. Distant background galaxies also lurk on the scene, buried behind the dusty expanse. This alluring view imaged with a backyard telescope and broadband filters spans about two full moons on the sky, or 17 light-years at the estimated distance of LDN 1251.",2020-07-03,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Eclipse Over The Mountain,"Undaunted by world wide anticipation of the August 11 total solar eclipse, the moon also performed a lunar eclipse just two weeks earlier, on July 28. Crossing the edge of Earth's shadow the moon was only partially eclipsed - but the spectacle could be seen by observers located across the Earth's night side. For example, this photo was taken in early morning hours shortly after the mid-point of the eclipse as seen from Cody, Wyoming, USA. Still illuminating the landscape and obscured by a wisp of cloud, the moon is setting behind Sheep Mountain, west of Cody. Enjoying the celestial display, astrophotographer Mack Frost reported fairly clear skies tinged with a little smoke from area grass fires.",1999-09-02,astronomy,NASA,2025-01-18 08:39:26.347727
50
+ Lapland Northern Lights,"rly spring in the northern hemisphere is good season for aurora hunters. Near an equinox Earth's magnetic field is oriented to favor interactions with the solar wind that trigger the alluring glow of the northern lights. On March 28/29 the skies over Kaunispää Hill, Lapland, Finland did not disappoint. That night's expansive auroral curtains are captured in this striking panoramic view that covers a full 360 degrees. Local skywatchers were mesmerized by bright displays lasted throughout the dark hours, shimmering with colors easily visible to the naked eye.",2016-04-08,astronomy,NASA,2025-01-18 08:39:26.347727
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+ NGC 7331 and Beyond,"Big, beautiful spiral galaxy NGC 7331 is often touted as an analog to our own Milky Way. About 50 million light-years distant in the northern constellation Pegasus, NGC 7331 was recognized early on as a spiral nebula and is actually one of the brighter galaxies not included in Charles Messier's famous 18th century catalog. Since the galaxy's disk is inclined to our line-of-sight, long telescopic exposures often result in an image that evokes a strong sense of depth. The effect is further enhanced in this sharp image from a small telescope by galaxies that lie beyond the gorgeous island universe. The most prominent background galaxies are about one tenth the apparent size of NGC 7331 and so lie roughly ten times farther away. Their close alignment on the sky with NGC 7331 occurs just by chance. Seen through faint foreground dust clouds lingering above the plane of Milky Way, this visual grouping of galaxies is known as the Deer Lick Group.",2014-12-18,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Dark Shuttle Approaching,"What's that approaching? Astronauts on board the International Space Station first saw it in early 2010 far in the distance. Soon it enlarged to become a dark silhouette. As it came even closer, the silhouette appeared to be a spaceship. Finally, the object revealed itself to be the Space Shuttle Endeavour, and it soon docked as expected with the Earth-orbiting space station. Pictured above, Endeavour was imaged near Earth's horizon as it approached, where several layers of the Earth's atmosphere were visible. Directly behind the shuttle is the mesosphere, which appears blue. The atmospheric layer that appears white is the stratosphere, while the orange layer is Earth's Troposphere. This shuttle mission, began with a dramatic night launch. Tasks completed during this shuttle's visit to the ISS included the delivery of the Tranquility Module which contained a cupola bay window complex that allows even better views of spaceships approaching and leaving the space station. Almost Hyperspace: Random APOD Generator",2014-08-03,astronomy,NASA,2025-01-18 08:39:26.347727
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+ 433 Eros (A898 PA),NEO with diameter between 22.01 and 49.21 km,,neo,NASA,2025-01-18 08:39:26.347727
54
+ 719 Albert (A911 TB),NEO with diameter between 2.03 and 4.53 km,,neo,NASA,2025-01-18 08:39:26.347727
55
+ 887 Alinda (A918 AA),NEO with diameter between 4.53 and 10.14 km,,neo,NASA,2025-01-18 08:39:26.347727
56
+ 1036 Ganymed (A924 UB),NEO with diameter between 38.78 and 86.70 km,,neo,NASA,2025-01-18 08:39:26.347727
57
+ 1221 Amor (1932 EA1),NEO with diameter between 0.89 and 1.99 km,,neo,NASA,2025-01-18 08:39:26.347727
58
+ 1566 Icarus (1949 MA),NEO with diameter between 1.30 and 2.91 km,,neo,NASA,2025-01-18 08:39:26.347727
59
+ 1580 Betulia (1950 KA),NEO with diameter between 3.08 and 6.89 km,,neo,NASA,2025-01-18 08:39:26.347727
60
+ 1620 Geographos (1951 RA),NEO with diameter between 2.35 and 5.25 km,,neo,NASA,2025-01-18 08:39:26.347727
61
+ 1627 Ivar (1929 SH),NEO with diameter between 7.22 and 16.15 km,,neo,NASA,2025-01-18 08:39:26.347727
62
+ 1685 Toro (1948 OA),NEO with diameter between 3.70 and 8.28 km,,neo,NASA,2025-01-18 08:39:26.347727
63
+ 1862 Apollo (1932 HA),NEO with diameter between 1.62 and 3.61 km,,neo,NASA,2025-01-18 08:39:26.347727
64
+ 1863 Antinous (1948 EA),NEO with diameter between 2.15 and 4.81 km,,neo,NASA,2025-01-18 08:39:26.347727
65
+ 1864 Daedalus (1971 FA),NEO with diameter between 2.85 and 6.37 km,,neo,NASA,2025-01-18 08:39:26.347727
66
+ 1865 Cerberus (1971 UA),NEO with diameter between 1.17 and 2.61 km,,neo,NASA,2025-01-18 08:39:26.347727
67
+ 1866 Sisyphus (1972 XA),NEO with diameter between 8.41 and 18.79 km,,neo,NASA,2025-01-18 08:39:26.347727
68
+ 1915 Quetzalcoatl (1953 EA),NEO with diameter between 0.56 and 1.25 km,,neo,NASA,2025-01-18 08:39:26.347727
69
+ 1916 Boreas (1953 RA),NEO with diameter between 2.72 and 6.08 km,,neo,NASA,2025-01-18 08:39:26.347727
70
+ 1917 Cuyo (1968 AA),NEO with diameter between 3.50 and 7.84 km,,neo,NASA,2025-01-18 08:39:26.347727
71
+ 1943 Anteros (1973 EC),NEO with diameter between 1.93 and 4.31 km,,neo,NASA,2025-01-18 08:39:26.347727
72
+ 1980 Tezcatlipoca (1950 LA),NEO with diameter between 4.56 and 10.19 km,,neo,NASA,2025-01-18 08:39:26.347727
nistscraper_data.csv CHANGED
@@ -1,401 +1,401 @@
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  title,description,date,data_type,source,scrape_timestamp
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
68
- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
90
- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
92
- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
96
- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
98
- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
99
- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
100
- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
101
- , Keywords: ,,quantum,NIST,2025-01-18 08:56:55.815724
102
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
103
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
104
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
105
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
107
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
108
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
109
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
110
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
112
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
114
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
115
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
116
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
117
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
122
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
125
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
128
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
129
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
134
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
135
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
138
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
140
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
141
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
142
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
145
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
146
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
147
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
148
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
149
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
150
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
156
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
195
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
196
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
197
- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,vacuum,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,materials,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,materials,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,materials,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,materials,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,materials,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,materials,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,materials,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,materials,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,materials,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,materials,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,materials,NIST,2025-01-18 08:56:55.815724
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- , Keywords: ,,materials,NIST,2025-01-18 08:56:55.815724
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1
  title,description,date,data_type,source,scrape_timestamp
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- NGC 602 and Beyond,"Near the outskirts of the Small Magellanic Cloud, a satellite galaxy some 200 thousand light-years distant, lies 5 million year young star cluster NGC 602. Surrounded by natal gas and dust, NGC 602 is featured in this stunning Hubble image of the region, augmented by images in the X-ray by Chandra, and in the infrared by Spitzer. Fantastic ridges and swept back shapes strongly suggest that energetic radiation and shock waves from NGC 602's massive young stars have eroded the dusty material and triggered a progression of star formation moving away from the cluster's center. At the estimated distance of the Small Magellanic Cloud, the Picture spans about 200 light-years, but a tantalizing assortment of background galaxies are also visible in this sharp multi-colored view. The background galaxies are hundreds of millions of light-years or more beyond NGC 602. Open Science: Browse 1,400+ codes in the Astrophysics Source Code Library",2017-04-02,astronomy,NASA,2025-01-18 08:56:49.776803
3
- NGC 4361: Galaxy Shaped Planetary Nebula,"Glowing in the red light emitted by hydrogen atoms, the planetary nebula",1995-12-29,astronomy,NASA,2025-01-18 08:56:49.776803
4
- NGC 253: Close Up,"This dusty island universe is one of the brightest spiral galaxies in planet Earth's sky. Seen nearly edge-on, NGC 253 is only 13 million light-years away, the largest member of the Sculptor Group of galaxies, neighbor to our own local galaxy group. The detailed close-up view is a five frame mosaic based on data assembled from the Hubble Legacy Archive. Beginning on the left near the galaxy's core, the sharp panorama follows dusty filaments, interstellar gas clouds, and even individual stars toward the galaxy's edge at the right. The magnificent vista spans nearly 50,000 light-years. The frame at the far right has been compressed slightly to bring into view an intriguing pair of background galaxies. Designated a starburst galaxy because of its frantic star forming activity, NGC 253 features tendrils of dust rising from a galactic disk laced with young star clusters and star forming regions. NGC 253 is also known to be a strong source of high-energy x-rays and gamma rays, likely due to massive black holes near the galaxy's center.",2011-05-19,astronomy,NASA,2025-01-18 08:56:49.776803
5
- Dawn Launch Mosaic,"Shortly after sunrise on Thursday at Cape Canaveral Air Force Station, the Dawn spacecraft began its journey to the asteroid belt, arcing eastward into a blue and cloudy sky. Dawn's voyage began on a conventional, chemically fueled Delta II rocket, but will continue with an innovative ion propulsion system. The spacecraft's extremely efficient ion engines will use electricity derived from solar power to ionize xenon atoms and generate a gentle but continuous thrust. After a four year interplanetary cruise, Dawn will orbit two small worlds, first Vesta and then Ceres. Vesta is one of the largest main belt asteroids, while nomenclature introduced by the International Astronomical Union in 2006 classifies nearly spherical Ceres as a dwarf planet.",2007-09-29,astronomy,NASA,2025-01-18 08:56:49.776803
6
- Yutu on a Little Planet,"Tracks lead to a small robot perched near the top of this bright little planet. Of course, the planet is really the Moon. The robot is the desk-sized Yutu rover, leaving its looming Chang'e 3 lander after a mid-December 2013 touch down in the northern Mare Imbrium. The little planet projection is a digitally warped and stitched mosaic of images from the lander's terrain camera covering 360 by 180 degrees. Ultimately traveling over 100 meters, Yutu came to a halt in January 2014. The lander's instruments are still working though, after more than two years on the lunar surface. Meanwhile, an interactive panoramic version of this little planet is available here.",2016-02-13,astronomy,NASA,2025-01-18 08:56:49.776803
7
- Star Trails Over Oregon,"As the Earth spins on its axis, the sky seems to rotate around us. This motion, called diurnal motion, produces the beautiful concentric trails traced by stars during time exposures. Partial-circle star trails are pictured above over Grants Pass, Oregon, USA last month. Near the middle of the circles is the North Celestial Pole (NCP), easily identified as the point in the sky at the center of all the star trail arcs. The star Polaris, commonly known as the North Star, made the very short bright circle near the NCP. About 12,000 years ago, the bright star Vega was the North Star, and in about 14,000 years, as the Earth's spin axis slowly continues to precess, Vega will become the North Star again.",2009-09-09,astronomy,NASA,2025-01-18 08:56:49.776803
8
- La Niña Earth,"La Niña is a temporary climate change caused by unusually cold water in the central Pacific Ocean. Cold water topping an unusually low sea level is shown as purple in the above false-color picture taken by the orbiting TOPEX/Poseidon satellite in mid-January. Such cold water tends to deflect winds around it, changing the course of weather systems locally and the nature of weather patterns globally. This year's La Niña appears to have weakened over the past few months, indicating a slow return to more normal seasonal weather. The full effects of the preceding El Niño and the present La Niña are still under study.",1999-02-15,astronomy,NASA,2025-01-18 08:56:49.776803
9
- Perseids over the Pyrénées,"This mountain and night skyscape stretches across the French Pyrenees National Park on August 12, near the peak of the annual Perseid meteor shower. The multi-exposure panoramic view was composed from the Col d'Aubisque, a mountain pass, about an hour before the bright gibbous moon rose. Centered is a misty valley and lights from the region's Gourette ski station toward the south. Taken over the following hour, frames capturing some of the night's long bright perseid meteors were aligned against the backdrop of stars and Milky Way.",2017-08-18,astronomy,NASA,2025-01-18 08:56:49.776803
10
- Spiral Galaxy NGC 4038 in Collision,"This galaxy is having a bad millennium. In fact, the past 100 million years haven't been so good, and probably the next billion or so will be quite tumultuous. Visible toward the lower right, NGC 4038 used to be a normal spiral galaxy, minding its own business, until NGC 4039, to its upper left, crashed into it. The evolving wreckage, known famously as the Antennae, is featured here. As gravity restructures each galaxy, clouds of gas slam into each other, bright blue knots of stars form, massive stars form and explode, and brown filaments of dust are strewn about. Eventually the two galaxies will converge into one larger spiral galaxy. Such collisions are not unusual, and even our own Milky Way Galaxy has undergone several in the past and is predicted to collide with our neighboring Andromeda Galaxy in a few billion years. The frames that compose this image were taken by the orbiting Hubble Space Telescope by professional astronomers to better understand galaxy collisions. These frames -- and many other deep space images from Hubble -- have since been made public, allowing interested amateurs to download and process them into, for example, this visually stunning composite.",2018-05-23,astronomy,NASA,2025-01-18 08:56:49.776803
11
- All the Water on Europa,"How much of Jupiter's moon Europa is made of water? A lot, actually. Based on the Galileo probe data acquired during its exploration of the Jovian system from 1995 to 2003, Europa possesses a deep, global ocean of liquid water beneath a layer of surface ice. The subsurface ocean plus ice layer could range from 80 to 170 kilometers in average depth. Adopting an estimate of 100 kilometers depth, if all the water on Europa were gathered into a ball it would have a radius of 877 kilometers. To scale, this intriguing illustration compares that hypothetical ball of all the water on Europa to the size of Europa itself (left) - and similarly to all the water on planet Earth. With a volume 2-3 times the volume of water in Earth's oceans, the global ocean on Europa holds out a tantalizing destination in the search for extraterrestrial life in our solar system. Help Evaluate APOD: Is the text on APOD easy to read and understand?",2012-05-24,astronomy,NASA,2025-01-18 08:56:49.776803
12
- Celebrating Hubble With NGC 6751,"Planetary nebulae can look simple, round, and planet-like in small telescopes. But images from the orbiting Hubble Space Telescope have become well known for showing these fluorescent gas shrouds of dying Sun-like stars to possess a staggering variety of detailed symmetries and shapes. This composite color Hubble image of NGC 6751 is a beautiful example of a classic planetary nebula with complex features. It was selected in April of 2000, to commemorate the tenth anniversary of Hubble in orbit. The colors were chosen to represent the relative temperature of the gas - blue, orange, and red indicating the hottest to coolest gas. Winds and radiation from the intensely hot central star (140,000 degrees Celsius) have apparently created the nebula's streamer-like features. The nebula's actual diameter is approximately 0.8 light-years or about 600 times the size of our solar system. NGC 6751 is 6,500 light-years distant in the high-flying constellation Aquila.",2005-04-16,astronomy,NASA,2025-01-18 08:56:49.776803
13
- A Perseid Meteor,"This weekend, the annual Perseid Meteor Shower reaches its maximum. Grains of cosmic sand and gravel shed from Comet Swift-Tuttle will streak across the sky as they vaporize during entry into Earth's atmosphere. The Perseids result from the yearly crossing of the Earth through Comet Swift-Tuttle's orbit. The Perseids are typically the most active meteor shower of the year. In a clear dark sky, an observer might see a meteor a minute near peak times, but this year a bright moon will overwhelm the glow from many perseid meteors until moonset in the early morning hours. Pictured above is a Perseid meteor from 1993. The colors are representative but digitally enhanced. As the meteor streaked across the night sky, different excited atoms emitted different colors of light. The origin of the green tinge visible at the right is currently unknown, however, and might result from oxygen in Earth's atmosphere. Perseid meteors can best be seen from a relaxing position, away from lights, just before the dawn twilight.",2000-08-12,astronomy,NASA,2025-01-18 08:56:49.776803
14
- "Mars, Antares, Moon and Saturn","Mars, Antares, Moon, and Saturn are the brightest celestial beacons in this serene sky. The Sun's golden light is still scattered along the southwestern horizon though, captured after sunset on September 28. The evening gathering of wandering planets and Moon along with the bright star viewed as an equal to Mars and the Scorpion's Heart was enjoyed around planet Earth. But from the photographer's perspective looking across the calm waters of Lake Balaton, Hungary, they were joined by a more terrestrial sailboat mast light. Mast light, bright star, planets and Moon are all posing near the plane of the ecliptic.",2014-10-04,astronomy,NASA,2025-01-18 08:56:49.776803
15
- NGC 7331 Close Up,"Big, beautiful spiral galaxy NGC 7331 is often touted as an analog to our own Milky Way. About 50 million light-years distant in the northern constellation Pegasus, NGC 7331 was recognized early on as a spiral nebula and is actually one of the brighter galaxies not included in Charles Messier's famous 18th century catalog. Since the galaxy's disk is inclined to our line-of-sight, long telescopic exposures often result in an image that evokes a strong sense of depth. This Hubble Space Telescope close-up spans some 40,000 light-years. The galaxy's magnificent spiral arms feature dark obscuring dust lanes, bright bluish clusters of massive young stars, and the telltale reddish glow of active star forming regions. The bright yellowish central regions harbor populations of older, cooler stars. Like the Milky Way, a supermassive black hole lies at the core of spiral galaxy NGC 7331.",2020-02-07,astronomy,NASA,2025-01-18 08:56:49.776803
16
- Smooth Sections of Asteroid Itokawa,"Why are parts of this asteroid's surface so smooth? No one is yet sure, but it may have to do with the dynamics of an asteroid that is a loose pile of rubble rather than a solid rock. The unusual asteroid has been visited recently by the Japanese spacecraft Hayabusa that has been documenting its unusual structure and mysterious lack of craters. Recent analyses of the border regions between smooth and rugged sections of Itokawa indicate that jostling of the asteroid might be creating segregation between large and small rocks near the surface, like the Brazil nut effect. In late 2005, Hayabusa actually touched down on one of the smooth patches, dubbed the MUSES Sea, and collected soil samples that are to be returned to Earth for analysis. Hayabusa will start its three-year long return trip to Earth this month. Computer simulations show that 500-meter asteroid Itokawa may impact the Earth within the next few million years.",2007-04-22,astronomy,NASA,2025-01-18 08:56:49.776803
17
- Lunar Time Lapse Panorama including Yutu Rover,"Where has the Yutu rover been on the Moon? Arriving in 2013 mid-December, the Chinese Yutu robotic rover has spent some of the past month and a half exploring Mare Imbrium on Earth's Moon. Because it uses solar power, the mechanical Jade Rabbit goes into sleep mode to endure the two-week long lunar night. Pictured above is a digitally created time-lapse composite panorama showing the region surrounding the Chang'e 3 lander, capturing the desk-sized rover in three positions. On the far right, Yutu is seen heading south to investigate greener pastures, likely never to return to its lander again. Organize Your Universe: Free APOD 2014 Calendar in PDF format",2014-02-03,astronomy,NASA,2025-01-18 08:56:49.776803
18
- Zodiacal Light and Mars,"Just after sunset on March 7, a faint band of light still reaches above the western horizon in this serene, rural Illinois, night skyscape. Taken from an old farmstead, the luminous glow is zodiacal light, prominent in the west after sunset during planet Earth's northern hemisphere spring. On that clear evening the band of zodiacal light seems to engulf bright yellowish Mars and the Pleiades star cluster. Their close conjunction is in the starry sky above the old barn's roof. Zodiacal light is sunlight scattered by interplanetary dust particles that lie near the Solar System's ecliptic plane. Of course all the Solar System's planets orbit near the plane of the ecliptic, within the band of zodiacal light. But zodiacal light and Mars may have a deeper connection. A recent analysis of serendipitous detections of interplanetary dust by the Juno spacecraft during its Earth to Jupiter voyage suggest Mars is the likely source of the dust that produces zodiacal light.",2021-03-11,astronomy,NASA,2025-01-18 08:56:49.776803
19
- A Smoke Angel from Airplane Flares,"What type of cloud is that? It is not a naturally occurring one. Looking perhaps a bit like a gigantic owl monster, the cloud pictured above resulted from a series of flares released by an air force jet over the Atlantic Ocean in May. The jet that released the flares, a C-17 Globemaster III, is seen on the right. The flares release smoke and the resulting pattern is sometimes known as a smoke angel. The circular eyes of the above smoke angel are caused by air spiraling off the plane's wings and are known as wingtip vortices.",2006-08-22,astronomy,NASA,2025-01-18 08:56:49.776803
20
- North to the Moon's Pole,"This image is from the voyage of the intrepid Galileo spacecraft as it passed above the Moon's north pole on its long journey to Jupiter. It was made over 60 years after Admiral Byrd became the first to fly over the Earth's north pole. Within a superposed frame of lattitude and longitude lines much of the Moon's familiar face, dominated by smooth dark mare, is brightly lit. Near the pole itself, the harsh shadows reveal a rugged, cratered lunarscape.",1996-06-22,astronomy,NASA,2025-01-18 08:56:49.776803
21
- A Rocket Launch at Sunset,"What kind of cloud is that? Last week, a sunset rocket launch lit up the sky and was photographed by sky enthusiasts as far as hundreds of miles away. The lingering result was a photogenic rocket plume. Not everyone who saw the resulting plume knew its cause to be a Minotaur rocket launched from Vandenberg Air Force Base in California, USA. The cloud was visible after sunset on 22 September. Fuel particles and water droplets expelled from the rocket swirled in the winds of the upper atmosphere, creating an expanding helix. The noctilucent plume was so high that it still reflected sunlight, where lower clouds in the foreground appeared dark. The above image also captured part of the plume reflecting sunlight as a rainbow or a colorful iridescent cloud. Below the launch plume is the planet Venus.",2005-09-28,astronomy,NASA,2025-01-18 08:56:49.776803
22
- A Galilean Night,"Driving along on a summer evening, near the small town of Weikersheim in southern Germany, photographer Jens Hackmann had to stop. He couldn't resist pointing his camera and telephoto lens at this lovely conjunction of a Full Moon and planet Jupiter looming near the steeple of a local church. Of course, 400 years ago, Galileo couldn't resist pointing his newly constructed telescope at these celestial beacons either. When he did, he found craters and mountains on the not-so-smooth lunar surface and discovered the large moons of Jupiter now known as the Galilean Moons. Jupiter's Galilean moons are just visible in this photo as tiny pinpricks of light very near the bright planet. Want to see the Moon and Jupiter better than Galileo? Look for local 2009 International Year of Astronomy activities and events during these next few Galilean Nights (October 22-24).",2009-10-23,astronomy,NASA,2025-01-18 08:56:49.776803
23
- Alicante Beach Moonrise,"In this beach and skyscape from Alicante, Spain, July's Full Moon shines in the dark blue twilight, its reflection coloring the Mediterranean waters. Near the horizon, the moonlight is reddened by its long path through the atmosphere, but this Full Moon was also near perigee, the closest point to Earth along the Moon's elliptical orbit. That made it a Supermoon, a mighty 14% larger and 30% brighter than a Full Moon at apogee, the Moon's farthest orbital swing. Of course, most warm summer nights are a good time to enjoy a family meal oceanside, but what fish do you catch on the night of a Supermoon? They must be Moon breams ...",2014-07-19,astronomy,NASA,2025-01-18 08:56:49.776803
24
- NGC 6960: The Witch's Broom Nebula,"Ten thousand years ago, before the dawn of recorded human history, a new light must suddenly have appeared in the night sky and faded after a few weeks. Today we know this light was an exploding star and record the colorful expanding cloud as the Veil Nebula. Pictured above is the west end of the Veil Nebula known technically as NGC 6960 but less formally as the Witch's Broom Nebula. The rampaging gas gains its colors by impacting and exciting existing nearby gas. The supernova remnant lies about 1400 light-years away towards the constellation of Cygnus. This Witch's Broom actually spans over three times the angular size of the full Moon. The bright blue star 52 Cygnus is visible with the unaided eye from a dark location but unrelated to the ancient supernova.",2003-01-01,astronomy,NASA,2025-01-18 08:56:49.776803
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- Hole in the Sun,"The dark expanse below the equator of the Sun is a coronal hole -- a low density region extending above the surface where the solar magnetic field opens freely into interplanetary space. Shown in false color, the picture was recorded on September 19th in extreme ultraviolet light by the EIT instrument onboard the space-based SOHO observatory. Studied extensively from space since the 1960s in ultraviolet and x-ray light, coronal holes are known to be the source of the high-speed solar wind, atoms and electrons that flow outward along the open magnetic field lines. The solar wind streaming from this coronal hole triggered colorful auroral displays on planet Earth begining late last week, enjoyed by spaceweather watchers at high latitudes.",2007-09-27,astronomy,NASA,2025-01-18 08:56:49.776803
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- Aurora over Maine,"It has been a good week for auroras. Earlier this month active sunspot region 2158 rotated into view and unleashed a series of flares and plasma ejections into the Solar System during its journey across the Sun's disk. In particular, a pair of Coronal Mass Ejections (CMEs) impacted the Earth's magnetosphere toward the end of last week, creating the most intense geomagnetic storm so far this year. Although power outages were feared by some, the most dramatic effects of these impacting plasma clouds were auroras seen as far south as Wisconsin, USA. In the featured image taken last Friday night, rays and sheets of multicolored auroras were captured over Acadia National Park, in Maine, USA. Since another CME plasma cloud is currently approaching the Earth, tonight offers another good chance to see an impressive auroral display. Almost Hyperspace: Random APOD Generator",2014-09-17,astronomy,NASA,2025-01-18 08:56:49.776803
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- Zooming in on the First Stars,"What became of the first stars? No known stars appear to be composed of truly primordial gas -- all of the stars around us have too many heavy elements. Our own Sun is thought to be a third generation star, with many second-generation stars seen in globular clusters. This year, however, significant progress is being made on solving this perennial astronomical mystery. Analyses of recent WMAP satellite images of the cosmic microwave background indicate that this primordial light was ionized by a first generation of stars that came and went only 200 million years after the Big Bang. Additionally computer codes are now more-accurately tracking the likely creation and evolution of first stars in the early universe. Pictured above at a scale of one light-month, a computer-generated model resolves the scale of the first stars, indicating clean cocoons that condensed into stars always over 30 times the mass of our Sun. Stars like this quickly fused pristine gas into heavier elements and then exploded, seeding the universe with elements that would become part of the stars we know and, ultimately, ourselves.",2003-06-10,astronomy,NASA,2025-01-18 08:56:49.776803
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- Vista with NGC 2170,"Drifting through the one-horned constellation Monoceros, these dusty streamers and new born stars are part of the active Monoceros R2 star-forming region, embedded in a giant molecular cloud. The cosmic scene was recorded by the VISTA survey telescope in near-infrared light. Visible light images show dusty NGC 2170, seen here just right of center, as a complex of bluish reflection nebulae. But this penetrating near-infrared view reveals telltale signs of ongoing star formation and massive young stars otherwise hidden by the dust. Energetic winds and radiation from the hot young stars reshape the natal interstellar clouds. Close on the sky to the star-forming Orion Nebula, the Monoceros R2 region is almost twice as far away, about 2700 light-years distant. At that distance, this vista spans about 80 light-years.",2010-10-15,astronomy,NASA,2025-01-18 08:56:49.776803
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- Introducing Comet ISON,"Could this dim spot brighten into one of the brightest comets ever? It's possible. Alternatively, the comet could break up when it gets closer to the Sun, or brighten much more modestly. Sky enthusiasts the world over are all abuzz, though, from the more optimistic speculations -- that the newly discovered C/2012 S1 (ISON) could develop a spectacular tail or briefly approach the brightness of the full Moon toward the end of 2013. Comet ISON currently is very faint but is just visible at magnitude 18 in the above image. The comet, discovered just over a week ago from Russia by Vitali Nevski (Belarus) and Artyom Novichonok (Russia), is currently falling toward the Sun from between the orbits of Jupiter and Saturn. In early 2013 October it will pass very near Mars and possibly be visible to rovers and orbiting spacecraft. Comet ISON appears on course to achieve sungrazer status as it passes within a solar diameter of Sun's surface in late 2013 November. Whatever survives will then pass nearest the Earth in late 2013 December. Astronomers around the world will be tracking this large dirty snowball closely to better understand its nature and how it might evolve during the next 15 months.",2012-10-01,astronomy,NASA,2025-01-18 08:56:49.776803
30
- Ancient Craters of Southern Rhea,"Saturn's ragged moon Rhea has one of the oldest surfaces known. Estimated as changing little in the past billion years, Rhea shows craters so old they no longer appear round � their edges have become compromised by more recent cratering. Like Earth's Moon, Rhea's rotation is locked on Saturn, and the above image shows part of Rhea's surface that always faces Saturn. Rhea's leading surface is more highly cratered than its trailing surface. Rhea is composed mostly of water-ice but is thought to include about 25 percent rock and metal. The above image was taken by the robot Cassini spacecraft now orbiting Saturn. Cassini swooped past Rhea last month and captured the above image from about 350,000 kilometers away. Rhea spans 1,500 kilometers making it Saturn's second largest moon after Titan. Several surface features on Rhea remain unexplained including large light patches like those seen near the image top.",2008-05-13,astronomy,NASA,2025-01-18 08:56:49.776803
31
- The Great Gig in the Sky,"There were no crowds on the beach at Phillips Lake, Oregon on August 21. But a few had come there to stand, for a moment, in the dark shadow of the Moon. From the beach, this unscripted mosaic photo records their much anticipated solar eclipse. In two vertical panels it catches the last few seconds of totality and the first instant of 3rd contact, just as the eclipse ends and sunlight faintly returns. Across the US those gathered along the path of totality also took pictures and shared their moment. And like those at Phillips Lake they may treasure the experience more than any planned or unplanned photograph of the total eclipse of the Sun.",2017-09-08,astronomy,NASA,2025-01-18 08:56:49.776803
32
- A Hale-Bopp Triple Crown,"It was truly a busy sky. In one of the more spectacular photos yet submitted to Astronomy Picture of the Day, Don Cooke of Lyme, New Hampshire caught the Sun, Moon, Earth, night sky, Pleiades star cluster, and Comet Hale-Bopp all in one frame. The first leg of this ""triple crown"" exposure was of the Sun, taken at 6:55 pm on April 10th 1997. Through a dark filter, the Sun appears as the bright dot on the lower right of the image. A second filtered exposure was then taken after the Sun had set, one hour and 40 minutes later - this time featuring the Moon. The Moon appears as a crescent superimposed on an odd-shaped dark circle protruding into the left of the image. This shadow is actually a silhouette of a driveway reflector mounted on an aluminum rod used to block out the bright moon - so as to allow a third exposure, this time unfiltered, of the background night sky. And what a beautiful sky it is. Highlights include Comet Hale-Bopp, on the right, and the Pleiades star cluster, near the center. But what, you may wonder, is that bright light near the center of the picture? Don't worry if you can't guess: it's a porch light from a house across the river!",1997-07-23,astronomy,NASA,2025-01-18 08:56:49.776803
33
- IC 418: The Spirograph Nebula,"What is creating the strange texture of IC 418? Dubbed the Spirograph Nebula for its resemblance to drawings from a cyclical drawing tool, planetary nebula IC 418 shows patterns that are not well understood. Perhaps they are related to chaotic winds from the variable central star, which changes brightness unpredictably in just a few hours. By contrast, evidence indicates that only a few million years ago, IC 418 was probably a well-understood star similar to our Sun. Only a few thousand years ago, IC 418 was probably a common red giant star. Since running out of nuclear fuel, though, the outer envelope has begun expanding outward leaving a hot remnant core destined to become a white-dwarf star, visible in the image center. The light from the central core excites surrounding atoms in the nebula causing them to glow. IC 418 lies about 2000 light-years away and spans 0.3 light-years across. This false-color image taken from the Hubble Space Telescope reveals the unusual details.",2004-10-17,astronomy,NASA,2025-01-18 08:56:49.776803
34
- The Turbulent Neighborhood of Eta Carina,"How do violent stars affect their surroundings? To help find out, astronomers pointed the Hubble Space Telescope to the regions surrounding Eta Carina, a star showing signs that it may explode sometime in the next million years. The nearby nebulosity, shown above, is home to streams of hot gas, pools of cool gas, knots of dark globules, and pillars of dense dusty interstellar matter likely forming young stars. The above image explores about three light-years, a region size intermediate to the Eta Carina cocoon, which spans only about one-half of a light year, and the Great Nebula in Carina, which spans over 300 light years. In April of 1843 Eta Car briefly became second only to Sirius as the brightest star in planet Earth's night sky, even though at a distance of about 7,500 light-years, it is about 800 times farther away.",2003-11-26,astronomy,NASA,2025-01-18 08:56:49.776803
35
- Globular Star Cluster 47 Tuc,"Globular star cluster 47 Tucanae is a jewel of the southern sky. Also known as NGC 104, it roams the halo of our Milky Way Galaxy along with some 200 other globular star clusters. The second brightest globular cluster (after Omega Centauri) as seen from planet Earth, it lies about 13,000 light-years away and can be spotted naked-eye close on the sky to the Small Magellanic Cloud in the constellation of the Toucan. The dense cluster is made up of hundreds of thousands of stars in a volume only about 120 light-years across. Red giant stars on the outskirts of the cluster are easy to pick out as yellowish stars in this sharp telescopic portrait. Tightly packed globular cluster 47 Tuc is also home to a star with the closest known orbit around a black hole.",2020-10-24,astronomy,NASA,2025-01-18 08:56:49.776803
36
- Globular Cluster M19,"M19 appears to be a typical globular cluster of stars - except for its shape. If one looks closely at the cluster, pictured above, it appears to be longer (top to bottom) than it is wide. In fact, M19 is the most aspherical globular cluster of the approximately 160 known orbiting the center of our Milky Way Galaxy. M19 lies about 27,000 light-years away, measures about 60 light-years across, and is home to over 100,000 stars. The cluster can be found with binoculars towards the constellation of Ophiuchus. The reason for the clusters' odd shape remains unknown, but might be related to the clusters' close (5000 light-year) proximity to the Galactic Center. Alternatively, the shape might be an illusion created by an unusual lane of dark absorbing dust on one side of the cluster.",2000-07-19,astronomy,NASA,2025-01-18 08:56:49.776803
37
- M106 Close Up,"Close to the Great Bear (Ursa Major) and surrounded by the stars of the Hunting Dogs (Canes Venatici), this celestial wonder was discovered in 1781 by the metric French astronomer Pierre Mechain. Later, it was added to the catalog of his friend and colleague Charles Messier as M106. Modern deep telescopic views reveal it to be an island universe: a spiral galaxy around 30 thousand light-years across located only about 21 million light-years beyond the stars of the Milky Way. Along with prominent dust lanes and a bright central core, this colorful composite image highlights youthful blue star clusters and reddish stellar nurseries that trace the galaxy's spiral arms. The high resolution galaxy portrait is a mosaic of data from Hubble's sharp ACS camera combined with groundbased color image data. M106 (aka NGC 4258) is a nearby example of the Seyfert class of active galaxies, seen across the spectrum from radio to X-rays. Energetic active galaxies are powered by matter falling into a massive central black hole.",2012-05-03,astronomy,NASA,2025-01-18 08:56:49.776803
38
- Dark Spots on Neptune,"Neptune has spots. The Solar System's outermost gas giant shows a nearly uniform blue hue created by small amounts of methane drifting in a thick atmosphere of nearly colorless hydrogen and helium. Dark spots do appear, however, that are anti-cyclones: large high-pressure systems that swirl in Neptune's cold cloud tops. Two dark spots are visible in the above picture taken by the robot Voyager 2 spacecraft in 1989: an Earth-sized Great Dark Spot located on the far left, and Dark Spot 2 located near bottom. A bright cloud dubbed Scooter accompanies the Great Dark Spot. Recent computer simulations indicate that scooters are methane clouds that might commonly be found near dark spots. Subsequent images of Neptune by the Hubble Space Telescope in 1994 indicated that both of these dark spots had dissipated, but another had been created.",2001-08-21,astronomy,NASA,2025-01-18 08:56:49.776803
39
- "Despina, Moon of Neptune","Despina is a tiny moon of Neptune. A mere 148 kilometers across, diminutive Despina was discovered in 1989, in images from the Voyager 2 spacecraft taken during its encounter with the solar system's most distant gas giant planet. But looking through the Voyager 2 data 20 years later, amateur image processor (and philosophy professor) Ted Stryk discovered something no one had recognized before -- images that show the shadow of Despina in transit across Neptune's blue cloud tops. His composite view of Despina and its shadow is composed of four archival frames taken on August 24, 1989, separated by nine minutes. Despina itself has been artificially brightened to make it easier to see. In ancient Greek mythology, Despina is a daughter of Poseidon (the Roman god Neptune).",2009-09-03,astronomy,NASA,2025-01-18 08:56:49.776803
40
- Flaming Star Nebula,"A runaway star lights the Flaming Star Nebula in this cosmic scene. Otherwise known as IC 405, the Flaming Star Nebula's billowing interstellar clouds of gas and dust lie about 1,500 light-years away toward the constellation of Auriga. AE Aurigae, the bright star at upper left in the frame, is a massive and intensely hot O-type star moving rapidly through space, likely ejected from a collision of multiple star-systems in the vicinity of the Orion Nebula millions of years ago. Now close to IC 405, the high-speed star's ionizing ultraviolet radiation powers the visible reddish glow as the nebula's hydrogen atoms are stripped of their electrons and recombine. Its intense blue starlight is reflected by the nebula's dusty filaments. Like all massive stars AE Aurigae will be short-lived though, furiously burning through its supply of fuel for nuclear fusion and exploding as a supernova. The colorful telescopic snapshot spans about 5 light-years at the estimated distance of the Flaming Star Nebula.",2016-12-01,astronomy,NASA,2025-01-18 08:56:49.776803
41
- A Full Plankton Moon,"What glows in the night? This night featured a combination of usual and unusual glows. Perhaps the most usual glow was from the Moon, a potentially familiar object. The full Moon's nearly vertical descent results from the observer being near Earth's equator. As the Moon sets, air and aerosols in Earth's atmosphere preferentially scatter out blue light, making the Sun-reflecting satellite appear reddish when near the horizon. Perhaps the most unusual glow was from the bioluminescent plankton, likely less familiar objects. These microscopic creatures glow blue, it is thought, primarily to surprise and deter predators. In this case, the glow was caused primarily by plankton-containing waves crashing onto the beach. The image was taken on Soneva Fushi Island, Maldives just over one year ago. Your Sky Surprise: What picture did APOD feature on your birthday? (post 1995)",2024-03-11,astronomy,NASA,2025-01-18 08:56:49.776803
42
- The Sky Towards Sagittarius,A variety of stars and nebulae can be found towards the constellation of Sagittarius. Dense fields of stars laced with dark lanes of dust crowd this region only a few degrees from the center of our Galaxy. Prominent nebulae include the red Lagoon Nebula (M8) in the lower right and the multicolored Trifid Nebula (M20) in the upper right. Recent high-resolution images of these nebulae show unusual features such as funnel-shaped clouds and proplyds that are not well understood.,1998-09-07,astronomy,NASA,2025-01-18 08:56:49.776803
43
- Streaming Dark Nebulas near B44,"Dark dust lit by the bright yellow star Antares highlight this photogenic starscape of the southern sky. A wider angle image shows the central band of our Milky Way Galaxy connected to Antares by streams of dust knows as the Dark River. At the head of the Dark River the dust appears in dense knots. One of the densest knots is B44, pictured near the bottom of the above image. Off to the left of the above image lies Antares, a star so bright that the pictured dust reflects its light, giving it a distinct yellow hue. Light from the blue star on the image left creates a surrounding blue reflection nebula named IC 4605. B44 and IC 4605 lies about 500 light years distant toward the constellation of the Scorpion.",2009-06-15,astronomy,NASA,2025-01-18 08:56:49.776803
44
- On a Blue Moon,"Rising at sunset, the gorgeous Full Moon of August 31 became the second Full Moon in a month. According to modern reckoning, that makes it a Blue Moon. In fact, parts of the Full Moon do look a little blue in this sharp lunar portrait. Taken just hours before the exact full phase in delightfully clear skies over Nottingham, UK, it features eye-catching bright rays extending from the prominent young crater Tycho in the Moon's southern hemisphere. The slightly color enhanced image also brings out subtle shades of blue, a real characteristic of terrain with a high content of titanium oxide and iron. The blue lunar terrain on the right includes the dark flat expanse of the Sea of Tranquility and the Apollo 11 landing site. Gallery: Blue Moon",2012-09-01,astronomy,NASA,2025-01-18 08:56:49.776803
45
- Andromeda over the Alps,"Have you ever seen the Andromeda galaxy? Although M31 appears as a faint and fuzzy blob to the unaided eye, the light you see will be over two million years old, making it likely the oldest light you ever will see directly. The featured image captured Andromeda just before it set behind the Swiss Alps early last year. As cool as it may be to see this neighboring galaxy to our Milky Way with your own eyes, long duration camera exposures can pick up many faint and breathtaking details. The image is composite of foreground and background images taken consecutively with the same camera and from the same location. Recent data indicate that our Milky Way Galaxy will collide and coalesce with Andromeda galaxy in a few billion years. Follow APOD on Facebook in: Arabic, English, Catalan, Portuguese, or Taiwanese",2023-11-13,astronomy,NASA,2025-01-18 08:56:49.776803
46
- "Full Moon, Full Mars","On December 8 a full Moon and a full Mars were close, both bright and opposite the Sun in planet Earth's sky. In fact Mars was occulted, passing behind the Moon when viewed from some locations across Europe and North America. Seen from the city of Kosice in eastern Slovakia, the lunar occultation of Mars happened just before sunrise. The tantalizing spectacle was recorded in this telescopic timelapse sequence of exposures. It took about an hour for the Red Planet to disappear behind the lunar disk and then reappear as a warm-hued full Moon, the last full Moon of 2022, sank toward the western horizon. The next lunar occultation of bright planet Mars will be in the new year on January 3, when the Moon is in a waxing gibbous phase. Lunar occultations are only ever visible from a fraction of the Earth's surface, though. The January 3 occultation of Mars will be visible from parts of the South Atlantic, southern Africa, and the Indian Ocean.",2022-12-15,astronomy,NASA,2025-01-18 08:56:49.776803
47
- A Venusian Tick,"August 23, 1995 A Venusian Tick Credit: NASA, Magellan Project Explanation: Data from the Magellan spacecraft has shown the Face of Venus to contain a host of volcanic features. This image shows an example of a fairly common type of venusian volcanic feature. Known as a ""tick"" it represents a volcano about 20 miles wide at the summit with ridges and valleys radiating down its sides lending it an insect like appearance. Scientists are particularly interested in exploring the geology of Venus. Because of its similarity with the Earth in size, density, and overall location in the solar system, Venus may offer key insights into the workings of our own planet. Do the familiar processes of volcanism and plate tectonics occur on our sister planet as well as our own? The detailed radar mapping of the planet performed by the Magellan probe has gone a long way toward answering this question.",1995-08-23,astronomy,NASA,2025-01-18 08:56:49.776803
48
- A Kitt Peak Leonid at 1026 UT,"Reports of the 2002 Leonid Meteor Shower are coming in from across the world. Preliminary indications have the shower as less active than last year but with an impressive peak seen through 1030 and 1100 Universal Time visible from much of North America. Observers reported many meteors at the peak arriving in groups. Pictured above is one such meteor from the peak caught earlier today by the Night Sky Live continuous camera at Kitt Peak National Observatory in Arizona, USA. A memorable event of the 2002 Leonids was when the town of Mitzpe Ramon in Israel dimmed its lights to allow better imaging of Leonid meteors from Wise Observatory.",2002-11-19,astronomy,NASA,2025-01-18 08:56:49.776803
49
- Big Beautiful Saturn,"As a present to APOD readers, digital imager Mattias Malmer offers a very high resolution view of big beautiful Saturn. A labor of love, his full mosaic, composite image is contained in a large 5 megabyte jpeg file (preview here, download here) and spans the gorgeous gas giant from ring tip to ring tip. It was pieced together from 102 frames (N00020905 to N00021033) recorded by the Cassini spacecraft ISS on October 6, 2004. The red, green, and blue frames are all uncalibrated, unvalidated images available to the public through the Cassini web site. Malmer's full panorama has a pixel size of 8400 by 3300, so only a substantially cropped version appears above. Enjoy the view and have a safe and Happy Holiday Season!",2004-12-25,astronomy,NASA,2025-01-18 08:56:49.776803
50
- Apollo 17's Moonship,"Awkward and angular looking, Apollo 17's lunar module Challenger was designed for flight in the near vacuum of space. Digitally enhanced and reprocessed, this picture taken from Apollo 17's command module America shows Challenger's ascent stage in lunar orbit. Small reaction control thrusters are at the sides of the moonship with the bell of the ascent rocket engine underneath. The hatch allowing access to the lunar surface is seen at the front, with a round radar antenna at the top. Mission commander Gene Cernan is clearly visible through the triangular window. This spaceship performed gracefully, landing on the Moon and returning the Apollo astronauts to the orbiting command module in December of 1972. So where is Challenger now? Its descent stage remains at the Apollo 17 landing site in the Taurus-Littrow valley. The ascent stage pictured was intentionally crashed nearby after being jettisoned from the command module prior to the astronauts' return to planet Earth. Apollo 17's mission came to an end 47 years ago today. It was the sixth and last time astronauts landed on the Moon.",2019-12-19,astronomy,NASA,2025-01-18 08:56:49.776803
51
- Amazing Comet Holmes,"One year ago, Comet 17P/Holmes amazed sky watchers across planet Earth. A stunningly rapid outburst transformed it from a faint comet quietly orbiting the Sun with a period of about 7 years to a naked-eye comet rivaling the brighter stars in the constellation Perseus. Its largely tail-less shape, as in this wide-angle view recorded on November 11, 2007, became well-known to astronomers trying to unravel the mystery of the comet's surprising outburst . Still, Comet Holmes had a dim ion tail that was seen to separate from the bright coma. In this image, the separated tail creates the illusion of a reflection nebula. It appears as a faint bluish haze right of center against a background of stars in the loosely grouped Alpha Persei Moving Cluster.",2008-10-24,astronomy,NASA,2025-01-18 08:56:49.776803
52
- 433 Eros (A898 PA),NEO with diameter between 22.01 and 49.21 km,,neo,NASA,2025-01-18 08:56:49.776803
53
- 719 Albert (A911 TB),NEO with diameter between 2.03 and 4.53 km,,neo,NASA,2025-01-18 08:56:49.776803
54
- 887 Alinda (A918 AA),NEO with diameter between 4.53 and 10.14 km,,neo,NASA,2025-01-18 08:56:49.776803
55
- 1036 Ganymed (A924 UB),NEO with diameter between 38.78 and 86.70 km,,neo,NASA,2025-01-18 08:56:49.776803
56
- 1221 Amor (1932 EA1),NEO with diameter between 0.89 and 1.99 km,,neo,NASA,2025-01-18 08:56:49.776803
57
- 1566 Icarus (1949 MA),NEO with diameter between 1.30 and 2.91 km,,neo,NASA,2025-01-18 08:56:49.776803
58
- 1580 Betulia (1950 KA),NEO with diameter between 3.08 and 6.89 km,,neo,NASA,2025-01-18 08:56:49.776803
59
- 1620 Geographos (1951 RA),NEO with diameter between 2.35 and 5.25 km,,neo,NASA,2025-01-18 08:56:49.776803
60
- 1627 Ivar (1929 SH),NEO with diameter between 7.22 and 16.15 km,,neo,NASA,2025-01-18 08:56:49.776803
61
- 1685 Toro (1948 OA),NEO with diameter between 3.70 and 8.28 km,,neo,NASA,2025-01-18 08:56:49.776803
62
- 1862 Apollo (1932 HA),NEO with diameter between 1.62 and 3.61 km,,neo,NASA,2025-01-18 08:56:49.776803
63
- 1863 Antinous (1948 EA),NEO with diameter between 2.15 and 4.81 km,,neo,NASA,2025-01-18 08:56:49.776803
64
- 1864 Daedalus (1971 FA),NEO with diameter between 2.85 and 6.37 km,,neo,NASA,2025-01-18 08:56:49.776803
65
- 1865 Cerberus (1971 UA),NEO with diameter between 1.17 and 2.61 km,,neo,NASA,2025-01-18 08:56:49.776803
66
- 1866 Sisyphus (1972 XA),NEO with diameter between 8.41 and 18.79 km,,neo,NASA,2025-01-18 08:56:49.776803
67
- 1915 Quetzalcoatl (1953 EA),NEO with diameter between 0.56 and 1.25 km,,neo,NASA,2025-01-18 08:56:49.776803
68
- 1916 Boreas (1953 RA),NEO with diameter between 2.72 and 6.08 km,,neo,NASA,2025-01-18 08:56:49.776803
69
- 1917 Cuyo (1968 AA),NEO with diameter between 3.50 and 7.84 km,,neo,NASA,2025-01-18 08:56:49.776803
70
- 1943 Anteros (1973 EC),NEO with diameter between 1.93 and 4.31 km,,neo,NASA,2025-01-18 08:56:49.776803
71
- 1980 Tezcatlipoca (1950 LA),NEO with diameter between 4.56 and 10.19 km,,neo,NASA,2025-01-18 08:56:49.776803
 
 
1
  title,description,date,data_type,source,scrape_timestamp
2
+ Thor's Helmet from CFHT,"NGC 2359 is a striking emission nebula with an impressive popular name - Thor's Helmet Sure, its suggestive winged appearance might lead some to refer to it as the ""duck nebula"", but if you were a nebula which name would you choose? By any name NGC 2359 is a bubble-like nebula some 30 light-years across, blown by energetic winds from an extremely hot star seen near the center and classified as a Wolf-Rayet star. Wolf-Rayet stars are rare massive blue giants which develop stellar winds with speeds of millions of kilometers per hour. Interactions with a nearby large molecular cloud are thought to have contributed to this nebula's more complex shape and curved bow-shock structures. NGC 2359 is about 15,000 light-years distant toward the constellation Canis Major.",2007-01-30,astronomy,NASA,2025-01-18 08:39:26.347727
3
+ Central Lunar Eclipse,"Reddened by scattered sunlight, the Moon in the center is passing through the center of Earth's dark umbral shadow in this July 27 lunar eclipse sequence. Left to right the three images are from the start, maximum, and end to 103 minutes of totality from the longest lunar eclipse of the 21st century. The longest path the Moon can follow through Earth's shadow does cross the shadow's center, that's what makes such central lunar eclipses long ones. But July 27 was also the date of lunar apogee, and at the most distant part of its elliptical orbit the Moon moves slowest. For the previous lunar eclipse, last January 31, the Moon was near its orbital perigee. Passing just south of the Earth shadow central axis, totality lasted only 76 minutes. Coming up on January 21, 2019, a third consecutive total lunar eclipse will also be off center and find the Moon near perigee. Then totality will be a mere 62 minutes long.",2018-08-03,astronomy,NASA,2025-01-18 08:39:26.347727
4
+ Strawberry to Honey Moonrise,"Near the horizon the Full Moon often seems to loom large, swollen in appearance by the famous Moon illusion. But timelapse images demonstrate that the Moon's apparent size doesn't really change as it climbs toward the zenith. Its color does, though. Recording a frame every 10 seconds, this image shows how dramatic that color change can be. The composite follows a solstice Full Moon climbing above a rugged horizon over northwestern Indiana. A shrinking line-of-sight through planet Earth's dense and dusty atmosphere shifted the moonlight from strawberry red through honey-colored and paler yellowish hues. That change seems appropriate for a northern June Full Moon also known as the Strawberry or Honey Moon.",2016-06-25,astronomy,NASA,2025-01-18 08:39:26.347727
5
+ Approaching Pluto,"Here comes Pluto. NASA's robotic New Horizons spacecraft is now beyond the orbit of Neptune and closing fast on the Solar System's most famous unexplored world. The featured time lapse video shows Pluto and Pluto's largest moon, Charon, orbiting their common center of mass in 13 frames taken from April 12 to April 18. Although blurry, images in the video now rival even the best images of Pluto yet taken from Earth. New Horizons remains on schedule to zoom past the distant dwarf planet on July 14.",2015-05-27,astronomy,NASA,2025-01-18 08:39:26.347727
6
+ LkHa101: The Hole in the Doughnut,"You'd need a really big cup of coffee with this doughnut ... because the hole in the middle is about a billion kilometers across. Centered on the Sun, a circle that size would lie between the orbits of Mars and Jupiter. In fact, this doughnut is known to surround a massive newborn star cataloged as LkHa 101 which lies in the constellation Perseus. Imaged in infrared light, the tantalizing torus-shaped cloud of gas and dust is slightly tilted to our view. The cloud's material may well be the ingredients for the formation of a distant solar system. A bright source of ultraviolet light, the hot young star itself is much fainter in the infrared and so not visible in this picture. Still, the star's presence is indicated as its intense stellar wind and radiation has apparently carved out the doughnut's hole. This premier close-up of a stellar system in formation was accomplished by adapting a powerful observational technique called interferometry to planet Earth's largest single mirror telescope, the 10 meter Keck.",2001-03-02,astronomy,NASA,2025-01-18 08:39:26.347727
7
+ NGC 7027: A Dying Star's Nebula,"This pseudo-color composite of two recent Hubble Space Telescope images is a picture of a Sun-like star nearing the end of its lifetime. The exquisite details visible in this planetary nebula indicate that when the star passed through its Red Giant phase it initially shrugged off its outer atmosphere gently and evenly producing the outer faint spherical shells. As the process continued, material was apparently ejected in dense clumps producing dust clouds in the bright inner regions. The whole ejection process was amazingly rapid, taking only a few thousand years compared to a 10 billion year lifetime typical for Solar type stars. In the end the hot stellar core, now a white dwarf star, was left - seen here as a white dot at the center of the nebula. Our middle-aged Sun will experience a similar fate ... in about 5 billion years!",1996-01-17,astronomy,NASA,2025-01-18 08:39:26.347727
8
+ A Message From Earth,"What are these Earthlings trying to tell us? The above message was broadcast from Earth towards the globular star cluster M13 in 1974. During the dedication of the Arecibo Observatory - still the largest radio telescope in the world - a string of 1's and 0's representing the above diagram was sent. This attempt at extraterrestrial communication was mostly ceremonial - humanity regularly broadcasts radio and television signals out into space accidentally. Even were this message received, M13 is so far away we would have to wait almost 50,000 years to hear an answer. The above message gives a few simple facts about humanity and its knowledge: from left to right are numbers from one to ten, atoms including hydrogen and carbon, some interesting molecules, DNA, a human with description, basics of our Solar System, and basics of the sending telescope. Several searches for extraterrestrial intelligence are currently underway, including one where you can use your own home computer.",2005-03-13,astronomy,NASA,2025-01-18 08:39:26.347727
9
+ Arp 159 and NGC 4725,"Pointy stars and peculiar galaxies span this cosmic snapshot, a telescopic view toward the well-groomed constellation Coma Berenices. Bright enough to show off diffraction spikes, the stars are in the foreground of the scene, well within our own Milky Way. But the two prominent galaxies lie far beyond our own, some 41 million light-years distant. Also known as NGC 4747, the smaller distorted galaxy at left is the 159th entry in the Arp Atlas of Peculiar Galaxies, with extensive tidal tails indicative of strong gravitational interactions in its past. At about a 100,000 light-years across, its likely companion on the right is the much larger NGC 4725. At first glance NGC 4725 appears to be a normal spiral galaxy, its central region dominated by the yellowish light of cool, older stars giving way to younger hot blue star clusters along dusty spiral outskirts. Still, NGC 4725 does look a little odd with only one main spiral arm.",2015-09-03,astronomy,NASA,2025-01-18 08:39:26.347727
10
+ Volcano and Aurora in Iceland,"Sometimes both heaven and Earth erupt. In Iceland in 1991, the volcano Hekla erupted at the same time that auroras were visible overhead. Hekla, one of the most famous volcanoes in the world, has erupted at least 20 times over the past millennium, sometimes causing great destruction. The last eruption occurred only six years ago but caused only minor damage. The green auroral band occurred fortuitously about 100 kilometers above the erupting lava. Is Earth the Solar System's only planet with both auroras and volcanos?",2006-01-29,astronomy,NASA,2025-01-18 08:39:26.347727
11
+ Leonids Over Korean Observatory,"There were two peaks to this year's Leonid Meteor Shower. The first peak was best seen during the early morning hours of November 18 in North America, while the second peak, almost twice the intensity of the first, occurred eight hours later and was best seen from Asia. Pictured above is an image of SoBaekSan National Observatory in Korea during the second Leonid peak, starting at 3:50 am local time. Visible in the background are numerous Leonid meteors bright enough to be seen over background light even during the 40-minute exposure. Local observers reported an average of over one meteor per second during this outburst. Next year's Leonid Meteor Shower might be even more intense but will have to compete will the glare of a nearly full moon.",2001-12-12,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Winter Night at Pic du Midi,"This dreamlike view looking south from the historic mountain top Pic du Midi Observatory combines moonlit domes, a winter night sky, and the snowy peaks of the French Pyrenees. Encroaching on the night, lights from the La Mongie ski resort illuminate the mountain slopes nearby while the glow along the distant horizon is from urban areas in southern France and Spain. The night sky features stars of the constellations Orion and Gemini with a bright planet Mars very near the top edge, left of center. The three prominent domes visible (from left to right) house a 0.6 meter telescope reserved for amateur astronomers, a 1 meter telescope that was used to support the Apollo lunar landing missions, and the new, Sun-watching CLIMSO.",2008-01-25,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Manicouagan Impact Crater on Earth,"The Manicouagan Crater in northern Canada is one of the oldest impact craters known. Formed during a surely tremendous impact about 200 million years ago, the present day terrain supports a 70-kilometer diameter hydroelectric reservoir in the telltale form of an annular lake. The crater itself has been worn away by the passing of glaciers and other erosional processes. Still, the hard rock at the impact site has preserved much of the complex impact structure and so allows scientists a leading case to help understand large impact features on Earth and other Solar System bodies. Also visible above is the vertical fin of the Space Shuttle Columbia from which the picture was taken in 1983.",2000-12-13,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Close-Up of the Lagoon,"Stars are battling gas and dust in the Lagoon Nebula but the photographers are winning. Also known as M8, this photogenic nebula is visible even without binoculars towards the constellation of Sagittarius. The energetic processes of star formation create not only the colors but the chaos. The red-glowing gas results from high-energy starlight striking interstellar hydrogen gas. The dark dust filaments that lace M8 were created in the atmospheres of cool giant stars and in the debris from supernovae explosions. This spectacular portion of the Lagoon Nebula taken by the CFHT was created from light emitted by hydrogen (shown in red) and light emitted by oxygen (shown in green). The light from M8 we see today left about 5000 years ago. Light takes about 50 years to cross this section of M8.",2004-08-16,astronomy,NASA,2025-01-18 08:39:26.347727
15
+ "Hale Bopp and Orion
16
+ Credit and Copyright:","Comet Hale-Bopp is still brighter than most constellations. In fact, Comet Hale-Bopp may now hold the record for staying bright the longest. Last week the comet was photographed above in the same field as the constellation Orion, visible in the photograph's center, as well as with Sirius, the brightest star in the night, visible on the far left. Just below Comet Hale-Bopp on the right is the volcanic caldera known as White Mountain.. As the comet heads south, it has become visible to most of the world, now including many observers in the Earth's Southern Hemisphere.",1997-04-29,astronomy,NASA,2025-01-18 08:39:26.347727
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+ The Witch Head Nebula,"Double, double toil and trouble; Fire burn, and cauldron bubble ... Maybe Macbeth should have consulted the Witch Head Nebula. This suggestively shaped reflection nebula is associated with the bright star Rigel in the constellation Orion. More formally known as IC 2118, the Witch Head Nebula glows primarily by light reflected from Rigel. Rigel is located about one photo-width off the image to the right. Fine dust in the nebula reflects the light. The blue color is caused not only by Rigel's blue color but because the dust grains reflect blue light more efficiently than red. The same physical process causes Earth's daytime sky to appear blue, although the scatterers here are molecules of nitrogen and oxygen. The nebula lies about 1000 light-years away.",1998-02-09,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Moon Over Andromeda,"The Great Spiral Galaxy in Andromeda (aka M31), a mere 2.5 million light-years distant, is the closest large spiral to our own Milky Way. Andromeda is visible to the unaided eye as a small, faint, fuzzy patch, but because its surface brightness is so low, casual skygazers can't appreciate the galaxy's impressive extent in planet Earth's sky. This entertaining composite image compares the angular size of the nearby galaxy to a brighter, more familiar celestial sight. In it, a deep exposure of Andromeda, tracing beautiful blue star clusters in spiral arms far beyond the bright yellow core, is combined with a typical view of a nearly full Moon. Shown at the same angular scale, the Moon covers about 1/2 degree on the sky, while the galaxy is clearly several times that size. The deep Andromeda exposure also includes two bright satellite galaxies, M32 and M110 (bottom).",2013-08-01,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Comet Holmes Over Hungary,"Comet Holmes refuses to fade. The unusual comet that surprisingly brightened nearly a million-fold in late October continues to remain visible to the unaided eye from dark locations. Night to night, Comet 17P/Holmes is slowly gliding through the constellation Perseus, remaining visible to northern observers during much of the night right from sunset. Pictured above, Comet Holmes was captured from Hungary last week. The remarkable snowball continues to retain a huge coma, but now shows very little of a tail. To the far right is the open cluster of stars NGC 1245. How much longer Comet Holmes will remain visible to the unaided eye is unknown.",2007-12-05,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Portrait of NGC 281,"Look through the cosmic cloud cataloged as NGC 281 and you might miss the stars of open cluster IC 1590. Still, formed within the nebula that cluster's young, massive stars ultimately power the pervasive nebular glow. The eye-catching shapes looming in this portrait of NGC 281 are sculpted columns and dense dust globules seen in silhouette, eroded by intense, energetic winds and radiation from the hot cluster stars. If they survive long enough, the dusty structures could also be sites of future star formation. Playfully called the Pacman Nebula because of its overall shape, NGC 281 is about 10,000 light-years away in the constellation Cassiopeia. This sharp composite image was made through narrow-band filters, combining emission from the nebula's hydrogen, sulfur, and oxygen atoms in green, red, and blue hues. It spans over 80 light-years at the estimated distance of NGC 281.",2017-09-30,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Perseverance Takes a Spin,"After arriving at Jezero Crater on Mars, Perseverance went for a spin on March 4. This sharp image from the car-sized rover's Navcam shows tracks left by its six wheels in the martian soil. In preparation for operations on the surface of the Red Planet, its first drive lasted about 33 minutes. On a short and successful test drive Perseverance moved forward 4 meters, made a 150 degree turn in place, backed up for 2.5 meters, and now occupies a different parking space at its newly christened Octavia E. Butler Landing location. Though the total travel distance of the rover's first outing was about 6.5 meters (21 feet), regular commutes of 200 meters or more can be expected in the future. Please take a short survey in aesthetics & astronomy: Sonification",2021-03-06,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Asteroid Gaspra's Best Face,"Asteroid 951 Gaspra is a huge rock tumbling in space. Gaspra became one of the best-studied asteroids in 1991 when the spacecraft Galileo flew by. In the above photograph, subtle color variations have been exaggerated to highlight changes in reflectivity, surface structure and composition. Gaspra is about 20 kilometers long and orbits the Sun in the main asteroid belt between Mars and Jupiter.",1998-07-12,astronomy,NASA,2025-01-18 08:39:26.347727
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+ The Eagle Nebula from Kitt Peak,"From afar, the whole thing looks like an Eagle. A closer look at the Eagle Nebula, however, shows the bright region is actually a window into the center of a larger dark shell of dust. Through this window, a brightly-lit workshop appears where a whole open cluster of stars is being formed. In this cavity tall pillars and round globules of dark dust and cold molecular gas remain where stars are still forming. Already visible are several young bright blue stars whose light and winds are burning away and pushing back the remaining filaments and walls of gas and dust. The Eagle emission nebula, tagged M16, lies about 6500 light years away, spans about 20 light-years, and is visible with binoculars toward the constellation of the Serpent (Serpens). This picture combines three specific emitted colors and was taken with the 0.9-meter telescope on Kitt Peak, Arizona, USA.",2012-04-16,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Wisps of the Veil Nebula,"Wisps like this are all that remain visible of a Milky Way star. About 9,000 years ago that star exploded in a supernova leaving the Veil Nebula, also known as the Cygnus Loop. At the time, the expanding cloud was likely as bright as a crescent Moon, remaining visible for weeks to people living at the dawn of recorded history. Today, the resulting supernova remnant has faded and is now visible only through a small telescope directed toward the constellation of the Swan (Cygnus). The remaining Veil Nebula is physically huge, however, and even though it lies about 1,400 light-years distant, it covers over five times the size of the full Moon. In images like this of the complete Veil Nebula, studious readers should be able to identify several of the individual filaments. A bright wisp at the right is known as the Witch's Broom Nebula.",2012-11-26,astronomy,NASA,2025-01-18 08:39:26.347727
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+ NGC 2440: Cocoon of a New White Dwarf,"Like a butterfly, a white dwarf star begins its life by casting off a cocoon that enclosed its former self. In this analogy, however, the Sun would be a caterpillar and the ejected shell of gas would become the prettiest of all! The above cocoon, the planetary nebula designated NGC 2440, contains one of the hottest white dwarf stars known. The white dwarf can be seen as the bright dot near the photo's center. Our Sun will eventually become a ""white dwarf butterfly"", but not for another 5 billion years. The above false color image and was post-processed by F. Hamilton.",1998-04-26,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Ring of Fire from Cape Wrath,"If the Moon's apparent diameter is not quite large enough to cover the Sun during a solar eclipse, an annular eclipse can be the result -- a spectacle of silhouetted Moon surrounded by a solar ""ring of fire"". Just such a view was possible for observers in the far northern hemisphere as the new Moon slid across the solar disk on May 31st. Still, for astronomical adventurers at Cape Wrath on the northwestern coast of Scotland, the eastern sky was cloudy on eclipse day. But fortunately the Sun became visible a few minutes prior to the annular phase and determined astronomer Hans Coeckelberghs was able to capture this dramatic telescopic image of the eclipsed Sun's ring of fire looming through a reddened, cloud-streaked sky. Not to be outdone by the north, the far southern hemisphere will host the next solar eclipse, with the path of totality racing across Antarctica on November 23rd.",2003-06-05,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Stephan's Quintet from Hubble,"When did these big galaxies first begin to dance? Really only four of the five of Stephan's Quintet are locked in a cosmic tango of repeated close encounters taking place some 300 million light-years away. The odd galaxy out is easy to spot in this recently reprocessed image by the Hubble Space Telescope -- the interacting galaxies, NGC 7319, 7318B, 7318A, and 7317 (left to right), have a more dominant yellowish cast. They also tend to have distorted loops and tails, grown under the influence of disruptive gravitational tides. The mostly bluish galaxy, large NGC 7320 on the lower left, is in the foreground at about 40 million light-years distant, and so is not part of the interacting group. Data and modeling indicate that NGC 7318B is a relatively new intruder. A recently-discovered halo of old red stars surrounding Stephan's Quintet indicate that at least some of these galaxies started tangling over a billion years. Stephan's Quintet is visible with a moderate sized-telescope toward the constellation of Winged Horse (Pegasus).",2019-06-03,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Supernova Remnant E0102-72,"The expanding debris cloud from the explosion of a massive star is captured in this multiwavelength composite, combining x-ray and optical images from the Chandra and Hubble telescopes. Identified as E0102-72, the supernova remnant lies about 190,000 light-years away in our neighboring galaxy, the Small Magellanic Cloud. A strong cosmic source of x-rays, E0102 was imaged by the Chandra X-ray Observatory shortly after its launch in 1999. In celebration of Chandra's 10th anniversary, this colorful view of E0102 and its environs was created, including additional Chandra data. An analysis of all the data indicates that the overall shape of E0102 is most likely a cylinder that is viewed end-on rather than a spherical bubble. The intriguing result implies that the massive star's explosion has produced a shape similar to what is seen in some planetary nebulae associated with lower mass stars. At the distance of the Small Magellanic Cloud, this field of view spans about 150 light-years.",2009-09-05,astronomy,NASA,2025-01-18 08:39:26.347727
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+ M13: The Great Globular Cluster in Hercules,"M13 is one of the most prominent and best known globular clusters. Visible with binoculars in the constellation of Hercules, M13 is frequently one of the first objects found by curious sky gazers seeking celestials wonders beyond normal human vision. M13 is a colossal home to over 100,000 stars, spans over 150 light years across, lies over 20,000 light years distant, and is over 12 billion years old. At the 1974 dedication of Arecibo Observatory, a radio message about Earth was sent in the direction of M13. The reason for the low abundance of unusual blue straggler stars in M13 is currently unknown.",2000-03-01,astronomy,NASA,2025-01-18 08:39:26.347727
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+ NGC 4565: Galaxy on Edge,"Is our Milky Way Galaxy this thin? Magnificent spiral galaxy NGC 4565 is viewed edge-on from planet Earth. Also known as the Needle Galaxy for its narrow profile, bright NGC 4565 is a stop on many telescopic tours of the northern sky, in the faint but well-groomed constellation Coma Berenices. This sharp, colorful image reveals the spiral galaxy's boxy, bulging central core cut by obscuring dust lanes that lace NGC 4565's thin galactic plane. An assortment of other background galaxies is included in the pretty field of view. Thought similar in shape to our own Milky Way Galaxy, NGC 4565 lies about 40 million light-years distant and spans some 100,000 light-years. Easily spotted with small telescopes, sky enthusiasts consider NGC 4565 to be a prominent celestial masterpiece Messier missed.",2021-05-17,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Eclipse Shadow Cone Over Patagonia,"Sometimes, during a total eclipse of the Sun, a strange shadow of darkness can be seen stretching off into the distance. Called shadow cones, they are visible because the Earth's atmosphere is not completely transparent, scattering sunlight and hence appearing blue during the day. Shadow cones are particularly dramatic for eclipses near the horizon, as geometry creates a long corridor of sun-blocked air. Visible above is a shadow cone caught during a sunset total solar eclipse visible last month from Patagonia, Argentina. The eclipsed Sun itself still appears bright around the edges of the Moon because of light from the surrounding corona. A few minutes later, the Moon began to move away from the Sun as both set behind distant Andes mountains.",2010-08-04,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Topographical Mars,"Contrasting colors trace changing elevations in this new high-resolution topographic map of Mars. Just released, the data were gathered in 1998 and 1999 by the Mars Orbiter Laser Altimeter (MOLA) onboard the Mars Global Surveyor spacecraft. The martian topography is seen to range over 19 miles between the highest volcanic peaks (white) and the lowest regions (purple). Along with the striking difference between the Red Planet's low northern hemisphere (top) and high southern regions, one of the most noticeable features on the map is the large blue-purple southern depression corresponding to the Hellas basin. Likely the result of an asteroid impact, Mars' deepest basin is about 1300 miles across making it one of the largest impact features in the Solar System. Explorations of MOLA's rich topographic database are expected to produce insights into water flows and the geologic history of Mars.",1999-05-28,astronomy,NASA,2025-01-18 08:39:26.347727
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+ A Chamaeleon Sky,"A photogenic group of nebulae can be found toward Chamaeleon, a constellation visible predominantly in skies south of the Earth's equator. Celestial objects visible there include the blue reflection nebulas highlighted by thin dust surrounding the bright stars in the above image center. Toward the top and lower right, dark molecular clouds laced with thick dust block light from stars in the background. The parent molecular cloud Chamaeleon I is located about 450 light years from Earth.",2002-06-09,astronomy,NASA,2025-01-18 08:39:26.347727
34
+ Albert Einstein Describes Space and Time,"Albert Einstein (1879-1955) is considered by many the greatest astrophysicist and single most significant Person of the 20th Century. He is pictured here in the Swiss Patent Office where he did much of his defining work. Einstein's many visionary scientific contributions include the equivalence of mass and energy (E=mc^2), how the maximum speed limit of light affects measurements of time and space (special relativity), and a more accurate theory of gravity based on simple geometric concepts (general relativity). One reason Einstein was awarded the 1921 Nobel Prize in Physics was to make the prize more prestigious.",2000-01-08,astronomy,NASA,2025-01-18 08:39:26.347727
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+ M78 and Orion Dust Reflections,"In the vast Orion Molecular Cloud complex, several bright blue nebulas are particularly apparent. Pictured here are two of the most prominent reflection nebulas - dust clouds lit by the reflecting light of bright embedded stars. The more famous nebula is M78, in the image center, cataloged over 200 years ago. To its left is the lesser known NGC 2071. Astronomers continue to study these reflection nebulas to better understand how interior stars form. The Orion complex lies about 1500 light-years distant, contains the Orion and Horsehead nebulas, and covers much of the constellation of Orion. Almost Hyperspace: Random APOD Generator",2017-01-24,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Saturn at Night,"Still bright in planet Earth's night skies, good telescopic views of Saturn and its beautiful rings often make it a star at star parties. But this stunning view of Saturn's rings and night side just isn't possible from telescopes closer to the Sun than the outer planet. They can only bring Saturn's day into view. In fact, this image of Saturn's slender sunlit crescent with night's shadow cast across its broad and complex ring system was captured by the Cassini spacecraft. A robot spacecraft from planet Earth, Cassini called Saturn orbit home for 13 years before it was directed to dive into the atmosphere of the gas giant on September 15, 2017. This magnificent mosaic is composed of frames recorded by Cassini's wide-angle camera only two days before its grand final plunge. Saturn's night will not be seen again until another spaceship from Earth calls.",2019-09-20,astronomy,NASA,2025-01-18 08:39:26.347727
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+ "Dwarf Planet, Bright Spot","Now at Ceres, Dawn's camera recorded this closer view of the dwarf planet's northern hemisphere and one of its mysterious bright spots on May 4. A sunlit portrait of a small, dark world about 950 kilometers in diameter, the image is part of a planned sequence taken from the solar-powered spacecraft's 15-day long RC3 mapping orbit at a distance of 13,600 kilometers (8,400 miles). The animated sequence shows Ceres' rotation, its north pole at the top of the frame. Imaged by Hubble in 2004 and then by Dawn as it approached Ceres in 2015, the bright spot itself is revealed to be made up of smaller spots of reflective material that could be exposed ice glinting in the sunlight. On Saturday, Dawn's ion propulsion system was turned on to spiral the spacecraft into a closer 4,350-kilometer orbit by June 6. Of course another unexplored dwarf planet, Pluto, is expecting the arrival of a visitor from Earth, the New Horizons spacecraft, by mid-July.",2015-05-14,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Atlantis on Pad 39A,"An intricate network of lighting plays across the 130 foot high Rotating Service Structure (RSS) in this dramatic night view of the Space Shuttle Atlantis on the Kennedy Space Center's launch pad 39A. Small human figures visible in silhouette emphasize the structure's enormous scale. Seen here after rolling back before Thursday's shuttle launch, the RSS provides pre-launch access to the orbiter and its payload. For this mission to the International Space Station, STS-122, Atlantis' payload is the European Space Agency's Columbus science laboratory. During the mission, three space walks are planned to attach the Columbus lab. Atlantis is expected to dock with the space station today.",2008-02-09,astronomy,NASA,2025-01-18 08:39:26.347727
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+ A Very Large Array of Radio Telescopes,"Pictured above is one of the world's premiere radio astronomical observatories: The Very Large Array (VLA). Each antenna dish is as big as a house (25 meters across) and mounted on railroad tracks. The VLA consists of 27 dishes - together capable of spanning the size of a city (35 kilometers). The VLA is the most sensitive radio telescope ever, and, through interferometry, can resolve a golf ball-sized radio source 150 kilometers away (0.04 arcsec). The VLA is continually making new discoveries, including determining the composition of galaxies, passing comets, quasars, HII regions, and clusters of galaxies. The VLA is also used to receive the weak radio signals broadcast from interplanetary spacecraft. The VLA is located in New Mexico, USA. A significant upgrade of VLA's capabilities is planned.",1997-07-27,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Aurora Over Yellowknife,"Sometimes, after your eyes adapt to the dark, a spectacular sky appears. In this case, a picturesque lake lies in front of you, beautiful green auroras flap high above you, brilliant stars shine far in the distance, and a brilliant moon shines just ahead of you. This digitally fused panorama was captured earlier this month from Yellowknife, Northwest Territories, Canada, and includes the Pleiades open cluster of stars just to the upper right of the Moon. Since auroras are ultimately started by solar activity, this current flurry of auroras is somewhat surprising, given the historic lack of sunspots and other activity on the Sun over the past two years. This time of year is known as aurora season, however, for noted average increases in auroras. The reason for the yearly increase is not known for sure, but possibly relates to the tilt of the Earth creating a more easily traversable connection between the Earth's magnetic field and the magnetic field of the Sun's changing wind streams.",2009-09-22,astronomy,NASA,2025-01-18 08:39:26.347727
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+ A Magellanic Mural,"Two galaxies stand out to casual observers in Earth's Southern Hemisphere: the Large Magellanic Cloud (LMC) and the Small Magellanic Cloud (SMC). These irregular galaxies are two of the closest galaxies to our Milky Way Galaxy. Recent observations of the LMC (on the left) have determined that it is on a nearly circular orbit around our Galaxy, and have even helped in the determination of the composition of dark matter in our Galaxy. The above photograph spans 40 degrees. Visible on the lower left of the LMC is the Tarantula Nebula (in red). In the foreground to the right of the SMC is globular cluster 47 Tucanae, appearing here as a bright point of light.",1998-02-03,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Tycho's Supernova Remnant in X-ray,"How often do stars explode? By looking at external galaxies, astronomers can guess that these events, known as a supernovae, should occur about once every 30 years in a typical spiral galaxy like our MilkyWay. However, the obscuring gas and dust in the disk of our galaxy probably prevents us from seeing many galactic supernovae -- making observations of these events in our own galaxy relatively rare. In fact, in 1572, the revered Danish astronomer, Tycho Brahe, witnessed one of the last to be seen. The remnant of this explosion is still visible today as the shockwave it generated continues to expand into the gas and dust between the stars.Above is an image of the X-rays emitted by this shockwave made by a telescope onboard the ROSAT spacecraft. The nebula is known as Tycho's Supernova Remnant.",1999-03-07,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Highlights of the North Winter Sky,"What can you see in the night sky this season? The featured graphic gives a few highlights for Earth's northern hemisphere. Viewed as a clock face centered at the bottom, early (northern) winter sky events fan out toward the left, while late winter events are projected toward the right. Objects relatively close to Earth are illustrated, in general, as nearer to the cartoon figure with the telescope at the bottom center -- although almost everything pictured can be seen without a telescope. As happens during any season, constellations appear the same year to year, and, as usual, the Geminids meteor shower will peak in mid-December. Also as usual, the International Space Station (ISS) can be seen, at times, as a bright spot drifting across the sky after sunset. Less usual, the Moon is expected to pass nearly in front of several planets in early January. A treat this winter is Comet 46P/Wirtanen, already bright, will pass only 36 lunar distances from the Earth in mid-December, potentially making it easily visible to the unaided eye.",2018-12-05,astronomy,NASA,2025-01-18 08:39:26.347727
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+ The International Space Station Expands Again,"The developing International Space Station (ISS) has changed its appearance yet again. Last month the Space Shuttle Atlantis visited the ISS and installed the third of eleven pieces that will compose the Integrated Truss Structure. The new S-1 Truss is visible on the right, below the extended solar panels across the top. The world's foremost space outpost can be seen developing over the past few years by comparing the above image to past images. Also visible above are many different types of modules, a robotic arm, several wing-like solar panels, and a supply ship. Construction began on the ISS in 1998 and the core structure should be in place before 2005. Yesterday, the ISS celebrated its second anniversary of continuous human habitation.",2002-11-03,astronomy,NASA,2025-01-18 08:39:26.347727
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+ "The Light, Dark, and Dusty Trifid","Messier 20, popularly known as the Trifid Nebula, lies about 5,000 light-years away toward the nebula rich constellation Sagittarius. A star forming region in the plane of our galaxy, the Trifid does illustrate three different types of astronomical nebulae; red emission nebulae dominated by light from hydrogen atoms, blue reflection nebulae produced by dust reflecting starlight, and dark nebulae where dense dust clouds appear in silhouette. The reddish emission region, roughly separated into three parts by obscuring dust lanes, is what lends the Trifid its popular name. The cosmic cloud complex is over 40 light-years across and would cover the area of a full moon on planet Earth's sky. But the Trifid Nebula is too faint to be seen by the unaided eye. Over 75 hours of image data captured under dark night skies was used to create this stunning telescopic view. Watch: The Perseid Meteor Shower",2024-08-10,astronomy,NASA,2025-01-18 08:39:26.347727
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+ The First Explorer,"The first US spacecraft was Explorer 1. The cylindrical 30 pound satellite was launched (above) as the fourth stage of a Jupiter-C rocket (a modified US Army Redstone ballistic missile) and achieved orbit on January 31, 1958. Explorer I carried instrumentation to measure internal and external temperatures, micrometeorite impacts, and an experiment designed by James A. Van Allen to measure the density of electrons and ions in space. The measurements made by Van Allen's experiment led to an unexpected and startling discovery - an earth-encircling belt of high energy electrons and ions trapped in the magnetosphere - now known as the Van Allen Belt. Explorer I ceased transmitting on February 28 of that year but remained in orbit until March of 1970.",1996-02-10,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Orion's Horsehead Nebula,"The Horsehead Nebula is one of the most famous nebulae on the sky. It is visible as the black indentation to the red emission nebula seen just to the right of center of the above photograph. The bright star near the center is located in the belt of the familiar constellation of Orion. The horse-head feature is dark because it is really an opaque dust cloud which lies in front of the bright red emission nebula. Like clouds in Earth's atmosphere, this cosmic cloud has assumed a recognizable shape by chance. After many thousands of years, the internal motions of the cloud will alter its appearance. The emission nebula's red color is caused by electrons recombining with protons to form hydrogen atoms. Also visible in the picture are blue reflection nebulae, which preferentially reflect the blue light from nearby stars.",1997-10-25,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Lynds Dark Nebula 1251,"Stars are forming in Lynds Dark Nebula (LDN) 1251. About 1,000 light-years away and drifting above the plane of our Milky Way galaxy, the dusty molecular cloud is part of a complex of dark nebulae mapped toward the Cepheus flare region. Across the spectrum, astronomical explorations of the obscuring interstellar clouds reveal energetic shocks and outflows associated with newborn stars, including the telltale reddish glow from scattered Herbig-Haro objects seen in this sharp image. Distant background galaxies also lurk on the scene, buried behind the dusty expanse. This alluring view imaged with a backyard telescope and broadband filters spans about two full moons on the sky, or 17 light-years at the estimated distance of LDN 1251.",2020-07-03,astronomy,NASA,2025-01-18 08:39:26.347727
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+ Eclipse Over The Mountain,"Undaunted by world wide anticipation of the August 11 total solar eclipse, the moon also performed a lunar eclipse just two weeks earlier, on July 28. Crossing the edge of Earth's shadow the moon was only partially eclipsed - but the spectacle could be seen by observers located across the Earth's night side. For example, this photo was taken in early morning hours shortly after the mid-point of the eclipse as seen from Cody, Wyoming, USA. Still illuminating the landscape and obscured by a wisp of cloud, the moon is setting behind Sheep Mountain, west of Cody. Enjoying the celestial display, astrophotographer Mack Frost reported fairly clear skies tinged with a little smoke from area grass fires.",1999-09-02,astronomy,NASA,2025-01-18 08:39:26.347727
50
+ Lapland Northern Lights,"rly spring in the northern hemisphere is good season for aurora hunters. Near an equinox Earth's magnetic field is oriented to favor interactions with the solar wind that trigger the alluring glow of the northern lights. On March 28/29 the skies over Kaunispää Hill, Lapland, Finland did not disappoint. That night's expansive auroral curtains are captured in this striking panoramic view that covers a full 360 degrees. Local skywatchers were mesmerized by bright displays lasted throughout the dark hours, shimmering with colors easily visible to the naked eye.",2016-04-08,astronomy,NASA,2025-01-18 08:39:26.347727
51
+ NGC 7331 and Beyond,"Big, beautiful spiral galaxy NGC 7331 is often touted as an analog to our own Milky Way. About 50 million light-years distant in the northern constellation Pegasus, NGC 7331 was recognized early on as a spiral nebula and is actually one of the brighter galaxies not included in Charles Messier's famous 18th century catalog. Since the galaxy's disk is inclined to our line-of-sight, long telescopic exposures often result in an image that evokes a strong sense of depth. The effect is further enhanced in this sharp image from a small telescope by galaxies that lie beyond the gorgeous island universe. The most prominent background galaxies are about one tenth the apparent size of NGC 7331 and so lie roughly ten times farther away. Their close alignment on the sky with NGC 7331 occurs just by chance. Seen through faint foreground dust clouds lingering above the plane of Milky Way, this visual grouping of galaxies is known as the Deer Lick Group.",2014-12-18,astronomy,NASA,2025-01-18 08:39:26.347727
52
+ Dark Shuttle Approaching,"What's that approaching? Astronauts on board the International Space Station first saw it in early 2010 far in the distance. Soon it enlarged to become a dark silhouette. As it came even closer, the silhouette appeared to be a spaceship. Finally, the object revealed itself to be the Space Shuttle Endeavour, and it soon docked as expected with the Earth-orbiting space station. Pictured above, Endeavour was imaged near Earth's horizon as it approached, where several layers of the Earth's atmosphere were visible. Directly behind the shuttle is the mesosphere, which appears blue. The atmospheric layer that appears white is the stratosphere, while the orange layer is Earth's Troposphere. This shuttle mission, began with a dramatic night launch. Tasks completed during this shuttle's visit to the ISS included the delivery of the Tranquility Module which contained a cupola bay window complex that allows even better views of spaceships approaching and leaving the space station. Almost Hyperspace: Random APOD Generator",2014-08-03,astronomy,NASA,2025-01-18 08:39:26.347727
53
+ 433 Eros (A898 PA),NEO with diameter between 22.01 and 49.21 km,,neo,NASA,2025-01-18 08:39:26.347727
54
+ 719 Albert (A911 TB),NEO with diameter between 2.03 and 4.53 km,,neo,NASA,2025-01-18 08:39:26.347727
55
+ 887 Alinda (A918 AA),NEO with diameter between 4.53 and 10.14 km,,neo,NASA,2025-01-18 08:39:26.347727
56
+ 1036 Ganymed (A924 UB),NEO with diameter between 38.78 and 86.70 km,,neo,NASA,2025-01-18 08:39:26.347727
57
+ 1221 Amor (1932 EA1),NEO with diameter between 0.89 and 1.99 km,,neo,NASA,2025-01-18 08:39:26.347727
58
+ 1566 Icarus (1949 MA),NEO with diameter between 1.30 and 2.91 km,,neo,NASA,2025-01-18 08:39:26.347727
59
+ 1580 Betulia (1950 KA),NEO with diameter between 3.08 and 6.89 km,,neo,NASA,2025-01-18 08:39:26.347727
60
+ 1620 Geographos (1951 RA),NEO with diameter between 2.35 and 5.25 km,,neo,NASA,2025-01-18 08:39:26.347727
61
+ 1627 Ivar (1929 SH),NEO with diameter between 7.22 and 16.15 km,,neo,NASA,2025-01-18 08:39:26.347727
62
+ 1685 Toro (1948 OA),NEO with diameter between 3.70 and 8.28 km,,neo,NASA,2025-01-18 08:39:26.347727
63
+ 1862 Apollo (1932 HA),NEO with diameter between 1.62 and 3.61 km,,neo,NASA,2025-01-18 08:39:26.347727
64
+ 1863 Antinous (1948 EA),NEO with diameter between 2.15 and 4.81 km,,neo,NASA,2025-01-18 08:39:26.347727
65
+ 1864 Daedalus (1971 FA),NEO with diameter between 2.85 and 6.37 km,,neo,NASA,2025-01-18 08:39:26.347727
66
+ 1865 Cerberus (1971 UA),NEO with diameter between 1.17 and 2.61 km,,neo,NASA,2025-01-18 08:39:26.347727
67
+ 1866 Sisyphus (1972 XA),NEO with diameter between 8.41 and 18.79 km,,neo,NASA,2025-01-18 08:39:26.347727
68
+ 1915 Quetzalcoatl (1953 EA),NEO with diameter between 0.56 and 1.25 km,,neo,NASA,2025-01-18 08:39:26.347727
69
+ 1916 Boreas (1953 RA),NEO with diameter between 2.72 and 6.08 km,,neo,NASA,2025-01-18 08:39:26.347727
70
+ 1917 Cuyo (1968 AA),NEO with diameter between 3.50 and 7.84 km,,neo,NASA,2025-01-18 08:39:26.347727
71
+ 1943 Anteros (1973 EC),NEO with diameter between 1.93 and 4.31 km,,neo,NASA,2025-01-18 08:39:26.347727
72
+ 1980 Tezcatlipoca (1950 LA),NEO with diameter between 4.56 and 10.19 km,,neo,NASA,2025-01-18 08:39:26.347727
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