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The Association for Materials Protection and Performance (AMPP), is a professional association focused on the protection of assets and performance of materials. AMPP was created when NACE International , formerly the National Association of Corrosion Engineers , and the Society for Protective Coatings ( SSPC ), formerl... | https://en.wikipedia.org/wiki/Association_for_Materials_Protection_and_Performance |
The Association for Plant Breeding for the Benefit of Society ( APBREBES ) is an international non-governmental organization founded in 2009 [ 1 ] as a network to advocate on issues related to plant breeders' rights , peasants and farmers’ rights , food sovereignty , and the sustainable management of agricultural biodi... | https://en.wikipedia.org/wiki/Association_for_Plant_Breeding_for_the_Benefit_of_Society |
The Association for Symbolic Logic ( ASL ) is an international organization of specialists in mathematical logic and philosophical logic . The ASL was founded in 1936, and its first president was Curt John Ducasse . The current president of the ASL is Phokion Kolaitis . [ 1 ]
The ASL publishes books and academic journ... | https://en.wikipedia.org/wiki/Association_for_Symbolic_Logic |
The Association of Applied Geochemists (AAG) is an international society that seeks to advance the study and application of geochemistry and represents scientists working in that field.
The society was founded in 1970 as the Association of Exploration Geochemists. [ 1 ]
Members of the society are required to have wor... | https://en.wikipedia.org/wiki/Association_of_Applied_Geochemists |
The Association of Biomolecular Resource Facilities (ABRF) is dedicated to advancing core and research biotechnology laboratories through research, communication, and education. [ 1 ] ABRF members include over 2000 scientists representing 340 different core laboratories in 41 countries, including those in industry, gov... | https://en.wikipedia.org/wiki/Association_of_Biomolecular_Resource_Facilities |
The Association of Engineers , Architects and Graduates in Technological Sciences in Israel (AEAI) is the professional representative body of these sectors in the country. The association aims to be a national center, which cultivates and promotes the engineering, architecture and technology economy, as well as works t... | https://en.wikipedia.org/wiki/Association_of_Engineers_in_Israel |
The Association of Environmental Professionals (AEP) is a California-based non-profit organization of interdisciplinary professionals including environmental science , resource management , environmental planning and other professions contributing to this field. AEP is the first organization of its kind in the USA, an... | https://en.wikipedia.org/wiki/Association_of_Environmental_Professionals |
Association of Friends of Astronomy , known by the abbreviation AFA , is a society of amateur astronomers and other interested individuals, based in Goa , India.
The Association of Friends of Astronomy began under the guidance of Percival Noronha in 1982. It has a public astronomical observatory that is set up on the ... | https://en.wikipedia.org/wiki/Association_of_Friends_of_Astronomy |
The Association of Greek Chemists ( Greek : Ένωση Ελλήνων Χημικών, ΕΕΧ ) is the chemical society of Greek chemists. [ 1 ] The Association of Greek Chemists is a public legal entity that reports to the Ministry of Industry, Energy and Technology.
Its headquarters are in Athens: 27 Kaniggos Street, 10682, Ethans, Greece... | https://en.wikipedia.org/wiki/Association_of_Greek_Chemists |
The Association of Los Alamos Scientists (ALAS) was founded on August 30, 1945, by a group of scientists, who had worked on the development of the atomic bomb at the Los Alamos Laboratory , a division of the Manhattan Project .
The purpose of the organization was "to promote the attainment and use of scientific and te... | https://en.wikipedia.org/wiki/Association_of_Los_Alamos_Scientists |
The Association of Lunar and Planetary Observers ( ALPO or A.L.P.O. ) is an international scientific and educational organization established in March 1947 in the United States by Walter H. Haas , and later incorporated in 1990. ALPO is an organization for advancing and conducting astronomical work by both professional... | https://en.wikipedia.org/wiki/Association_of_Lunar_and_Planetary_Observers |
The Association of Plumbing and Heating Contractors ( APHC ) is a trade association for the plumbing and heating industry in England and Wales , representing around 1500 businesses employing some 60,000 specialist engineers ranging from those employed by large companies to sole traders working in domestic properties.
... | https://en.wikipedia.org/wiki/Association_of_Plumbing_and_Heating_Contractors |
The Association of Public Analysts (APA) is a UK professional association for public analysts . It was founded in 1954, [ 1 ] although an earlier body, the Society of Public Analysts, was founded in 1874, became the Society for Analytical Chemistry , and was one of the bodies which merged to form the Royal Society of ... | https://en.wikipedia.org/wiki/Association_of_Public_Analysts |
The Association of Structural Engineers of the Philippines, Inc. abbreviated as ASEP is an organization of structural engineers of the Philippines affiliated with the Philippine Institute of Civil Engineers .
ASEP was established in 1961 to promote the advancement of Filipino civil engineers in the field of structural... | https://en.wikipedia.org/wiki/Association_of_Structural_Engineers_of_the_Philippines |
The Technology Industries of Sweden ( Swedish : Teknikföretagen ) [ 2 ] is a Swedish trade organization representing employers of multinational engineering and industrial manufacturing companies. The member companies operate in a range of sectors that include telecommunications, fabricated metal products, electronics, ... | https://en.wikipedia.org/wiki/Association_of_Swedish_Engineering_Industries |
The Association of Universities for Research in Astronomy ( AURA ) is a consortium of universities and other institutions that operates astronomical observatories and telescopes .
Founded October 10, 1957, with the encouragement of the National Science Foundation (NSF), AURA was incorporated by a group of seven U.S. u... | https://en.wikipedia.org/wiki/Association_of_Universities_for_Research_in_Astronomy |
The Association of the British Pharmaceutical Industry ( ABPI ) is the trade association for over 120 companies in the UK producing prescription medicines for humans, founded in 1891. [ 1 ] It is the British equivalent of America's PhRMA ; however, the member companies research, develop, manufacture and supply medicine... | https://en.wikipedia.org/wiki/Association_of_the_British_Pharmaceutical_Industry |
ZVEI e. V., the German Electrical and Electronic Manufacturers' Association (formerly: German Electrical and Electronic Manufacturers' Association), represents the economic, technological and environmental interests of the German electrical and digital industry. With 910,400 employees across Germany and a total turnove... | https://en.wikipedia.org/wiki/Association_of_the_Electrical_and_Digital_Industry |
Association theory (also aggregate theory ) is a theory first advanced by chemist Thomas Graham in 1861 to describe the molecular structure of colloidal substances such as cellulose and starch , now understood to be polymers . Association theory postulates that such materials are solely composed of a collection of sma... | https://en.wikipedia.org/wiki/Association_theory |
Associative interference is a cognitive theory established on the concept of associative learning, which suggests that the brain links related elements. When one element is stimulated, its associates can also be activated. [ 1 ] The most known study demonstrating the credibility of this concept was Pavlov's experiment ... | https://en.wikipedia.org/wiki/Associative_interference |
Associative substitution describes a pathway by which compounds interchange ligands . The terminology is typically applied to organometallic and coordination complexes , but resembles the Sn2 mechanism in organic chemistry . The opposite pathway is dissociative substitution , being analogous to the Sn1 pathway . Inter... | https://en.wikipedia.org/wiki/Associative_substitution |
The Associazione Friulana di Astronomia e Meteorologia ( AFAM, eng . Friulian Association of Astronomy and Meteorology ) is a non-profit cultural association whose goal is the promotion of astronomy and meteorology to the public and the development of scientific research activities, often in collaboration with professi... | https://en.wikipedia.org/wiki/Associazione_Friulana_di_Astronomia_e_Meteorologia |
The Associazione di Ingegneria Offshore e Marina (AIOM) is an Italian non-profit association that seeks to further the knowledge and study of marine engineering . The association was founded in Milan in 1982 [ 1 ] to create a forum for scientists and engineers involved in maritime professional activities. AIOM organize... | https://en.wikipedia.org/wiki/Associazione_di_Ingegneria_OffShore_e_Marina |
astalavista.box.sk was founded in 1994 [ 1 ] as one of the first search engines for computer security information. In practice it turned out to be used as a search engine for security exploits , software for hacking , cracking and different keygenerators and software cracks . [ 2 ]
In the early 1990s and 2000s, the si... | https://en.wikipedia.org/wiki/Astalavista.box.sk |
Astatine bromide is an interhalogen compound with the chemical formula At Br .
Astatine bromide is produced by the reaction of astatine with an aqueous solution of iodine monobromide :
Astatine bromide also can produce by reacting elemental astatine and bromine : [ 2 ]
This inorganic compound –related article is a s... | https://en.wikipedia.org/wiki/Astatine_bromide |
Astatine iodide is an interhalogen compound with the chemical formula At I . It is the second heaviest known interhalogen compound, after iodine tribromide .
Astatine iodide is produced by the direct combination of astatine and iodine in a 1:1 molar ratio: [ 2 ] | https://en.wikipedia.org/wiki/Astatine_iodide |
Astellas Institute for Regenerative Medicine is a subsidiary of Astellas Pharma located in Marlborough, Massachusetts , US, developing stem cell therapies with a focus on diseases that cause blindness . It was formed in 1994 as a company named Advanced Cell Technology, Incorporated ( ACT ), which was renamed to Ocata ... | https://en.wikipedia.org/wiki/Astellas_Institute_for_Regenerative_Medicine |
Astellas Pharma Inc. ( アステラス製薬株式会社 , Asuterasu Seiyaku Kabushiki-gaisha ) is a Japanese multinational pharmaceutical company , formed on 1 April 2005 from the merger of Yamanouchi Pharmaceutical Co., Ltd. ( 山之内製薬株式会社 , Yamanouchi Seiyaku Kabushiki-gaisha ) and Fujisawa Pharmaceutical Co., Ltd. ( 藤沢薬品工業株式会社 , Fujisawa Y... | https://en.wikipedia.org/wiki/Astellas_Pharma |
An aster is a cellular structure shaped like a star , consisting of a centrosome and its associated microtubules during the early stages of mitosis in an animal cell. [ 1 ] : 221 Asters do not form during mitosis in plants . Astral rays, composed of microtubules , radiate from the centrosphere and look like a cloud. A... | https://en.wikipedia.org/wiki/Aster_(cell_biology) |
An asterism is an observed pattern or group of stars in the sky . Asterisms can be any identified pattern or group of stars, and therefore are a more general concept than the 88 formally defined constellations . Constellations are based on asterisms, but unlike asterisms, constellations outline and completely divide th... | https://en.wikipedia.org/wiki/Asterism_(astronomy) |
An asteroid is a minor planet —an object larger than a meteoroid that is neither a planet nor an identified comet —that orbits within the inner Solar System or is co-orbital with Jupiter ( Trojan asteroids ). Asteroids are rocky, metallic, or icy bodies with no atmosphere, and are broadly classified into C-type ( carbo... | https://en.wikipedia.org/wiki/Asteroid |
AsteroidOS is an open source operating system designed for smartwatches . [ 3 ] [ 4 ] It is available as a firmware replacement for some Android Wear devices. [ 5 ] The motto for the AsteroidOS project is "Free your wrist." [ 6 ]
Wareable.com reviewed version 1.0 and gave it 3.5 out of 5 stars. [ 7 ]
AsteroidOS is bu... | https://en.wikipedia.org/wiki/AsteroidOS |
Asteroid Zoo was a citizen science project run by the Zooniverse and Planetary Resources , to use volunteer classifications to find unknown asteroids using old Catalina Sky Survey data. [ 3 ] [ 4 ] The main goals of the project were to search for undiscovered asteroids in order to protect the planet by locating potenti... | https://en.wikipedia.org/wiki/Asteroid_Zoo |
Asteroid impact prediction is the prediction of the dates and times of asteroids impacting Earth , along with the locations and severities of the impacts.
The process of impact prediction follows three major steps:
The usual purpose of predicting an impact is to direct an appropriate response. [ 2 ]
Most asteroids a... | https://en.wikipedia.org/wiki/Asteroid_impact_prediction |
Ion beam deflection (IBD) is a contactless method to deflect a space object, typically a potentially hazardous asteroid, using one or more ion-beam shepherd (IBS) spacecraft hovering near the object being deflected and pointing an ion beam towards the object surface. The impinging ions create a transmitted deflection f... | https://en.wikipedia.org/wiki/Asteroid_ion_beam_deflection |
Asteroid mining is the hypothetical extraction of materials from asteroids and other minor planets , including near-Earth objects . [ 1 ]
Notable asteroid mining challenges include the high cost of spaceflight , unreliable identification of asteroids which are suitable for mining, and the challenges of extracting usab... | https://en.wikipedia.org/wiki/Asteroid_mining |
Asteroseismology is the study of oscillations in stars. Stars have many resonant modes and frequencies, and the path of sound waves passing through a star depends on the local speed of sound , which in turn depends on local temperature and chemical composition. Because the resulting oscillation modes are sensitive to d... | https://en.wikipedia.org/wiki/Asteroseismology |
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Astomonema is a genus of nematode worms in the family Siphonolaimidae . They lack a mouth or conventional digestive tract, but contain symbiotic sulfur-oxidizing bacteria that serve as their primary food source. They live in the marine interstitial habitat . [ 1 ]
The genus was first described in 1982 from s... | https://en.wikipedia.org/wiki/Astomonema |
The Aston–Greenburg rearrangement is a name reaction in organic chemistry . It allows for the generation of tertiary α-alkylesters from corresponding α-haloketones through a 1,2-rearrangement, with the use of an alkoxide. [ 1 ] [ 2 ] [ 3 ] [ 4 ]
This chemical reaction article is a stub . You can help Wikipedia by expa... | https://en.wikipedia.org/wiki/Aston–Greenburg_rearrangement |
AstraZeneca plc ( / ˌ æ s t r ə ˈ z ɛ n ə k ə / ) ( AZ ) is a British-Swedish [ 3 ] [ 4 ] [ 5 ] multinational pharmaceutical and biotechnology company with its headquarters at the Cambridge Biomedical Campus in Cambridge , United Kingdom. It has a portfolio of products for major diseases in areas including oncology , c... | https://en.wikipedia.org/wiki/AstraZeneca |
Astranis Space Technologies Corp. is an American company specializing in geostationary communications satellites. It is headquartered in San Francisco, California.
In 2018, Astranis launched DemoSat-2, a prototype 3U CubeSat . The launch aimed to test software-defined radio (SDR) technology for future larger communica... | https://en.wikipedia.org/wiki/Astranis |
An astrarium , also called a planetarium , is a medieval astronomical clock made in the 14th century by Italian engineer and astronomer Giovanni Dondi dell'Orologio . The Astrarium was modeled after the Solar System and, in addition to counting time and representing calendar dates and holidays, showed how the planets m... | https://en.wikipedia.org/wiki/Astrarium |
Astraweb is a Usenet / newsgroup service provider. Founded in 1997, Astraweb service is available to individual users through a subscription model and as an outsourced service to Internet service providers . In addition, Astraweb offers 'block accounts' (pay-per-byte).
Notably Astraweb was responsible for the huge inc... | https://en.wikipedia.org/wiki/Astraweb |
Astressin-B is a nonselective corticotropin releasing hormone antagonist that reduces the synthesis of adrenocorticotropic hormone and cortisol . [ 1 ]
It reduces the synthesis of adrenocorticotropic hormone and improves the sexual drive of rats under stressing conditions. [ 2 ]
Astressin-B is able to delay the empty... | https://en.wikipedia.org/wiki/Astressin-B |
ASTRO-G (also known as VSOP-2 , and very rarely called VSOP-B ) was a planned radio telescope satellite by JAXA . It was expected to be launched into elliptic orbit around Earth (apogee height 25,000 km, perigee height 1,000 km). [ 1 ]
Astro-G was selected in February 2006 against the competition of a proposed new X-... | https://en.wikipedia.org/wiki/Astro-G |
AstroSat is India's first dedicated multi-wavelength space telescope . It was launched on a PSLV-XL on 28 September 2015. [ 1 ] [ 2 ] With the success of this satellite, ISRO has proposed launching AstroSat-2 as a successor for AstroSat . [ 3 ]
After the success of the satellite-borne Indian X-ray Astronomy Experiment... | https://en.wikipedia.org/wiki/AstroSat |
AstroSat-2 is India's second dedicated multi-wavelength space telescope , proposed by the Indian Space Research Organisation (ISRO) as the successor of the current AstroSat observatory, which had a five-year operational time yet still is functioning. [ 1 ]
ISRO launched an 'Announcement of Opportunity' in February 201... | https://en.wikipedia.org/wiki/AstroSat-2 |
Astro microbiology , or exo microbiology, is the study of microorganisms in outer space. It stems from an interdisciplinary approach, which incorporates both microbiology and astrobiology . Astrobiology's efforts are aimed at understanding the origins of life and the search for life other than on Earth. Because microor... | https://en.wikipedia.org/wiki/Astro_microbiology |
Astrobiology (also xenology or exobiology ) is a scientific field within the life and environmental sciences that studies the origins , early evolution , distribution, and future of life in the universe by investigating its deterministic conditions and contingent events. [ 2 ] As a discipline, astrobiology is founded o... | https://en.wikipedia.org/wiki/Astrobiology |
Astrobiology Science and Technology for Exploring Planets (ASTEP) was a program established by NASA to sponsor research projects that advance the technology and techniques used in planetary exploration . The objective was to enable the study of astrobiology and to aid the planning of extraterrestrial exploration missi... | https://en.wikipedia.org/wiki/Astrobiology_Science_and_Technology_for_Exploring_Planets |
The Astrobiology Society of Britain (ASB) is a learned society dedicated to the understanding and advancement of astrobiology in the United Kingdom . The organisation is affiliated with NASA . [ 1 ]
The society is mainly made up of members from the United Kingdom but also has international members. The society was cre... | https://en.wikipedia.org/wiki/Astrobiology_Society_of_Britain |
Astrobiophysics is a field of intersection between astrophysics and biophysics concerned with the influence of the astrophysical phenomena upon life on planet Earth or some other planet in general. It differs from astrobiology which is concerned with the search of extraterrestrial life. [ 1 ] Examples of the topics cov... | https://en.wikipedia.org/wiki/Astrobiophysics |
Astrobotany is an applied sub-discipline of botany that is the study of plants in space environments . It is a branch of astrobiology and botany .
Astrobotany concerns both the study of extraterrestrial vegetation discovery, as well as research into the growth of terrestrial vegetation in outer space by humans. [ 1 ]
... | https://en.wikipedia.org/wiki/Astrobotany |
Astrochemistry is the study of the abundance and reactions of molecules in the universe , and their interaction with radiation . [ 1 ] The discipline is an overlap of astronomy and chemistry . The word "astrochemistry" may be applied to both the Solar System and the interstellar medium . The study of the abundance of e... | https://en.wikipedia.org/wiki/Astrochemistry |
An astrodome is a hemispherical transparent dome that was installed in the cabin roof of certain aircraft. Such a dome would allow a trained navigator to perform astronavigation and thereby guide the aircraft at night without the aid of land-based visual references. [ 1 ]
Astronavigation was a principal early method f... | https://en.wikipedia.org/wiki/Astrodome_(aeronautics) |
Astroecology concerns the interactions of biota with space environments. It studies resources for life on planets , asteroids and comets , around various stars , in galaxies , and in the universe . The results allow estimating the future prospects for life, from planetary to galactic and cosmological scales. [ 1 ] [ 2... | https://en.wikipedia.org/wiki/Astroecology |
An astrograph (or astrographic camera ) is a telescope designed for the sole purpose of astrophotography . Astrographs are mostly used in wide-field astronomical surveys of the sky and for detection of objects such as asteroids , meteors , and comets .
Improvements in photography in the middle 19th century led to desi... | https://en.wikipedia.org/wiki/Astrograph |
An astrolabe ( Ancient Greek : ἀστρολάβος , romanized : astrolábos , lit. 'star-taker'; Arabic : ٱلأَسْطُرلاب , romanized : al-Asṭurlāb ; Persian : ستارهیاب , romanized : Setāreyāb ) is an astronomical instrument dating to ancient times. It serves as a star chart and physical model of the visible half-dome of the sky ... | https://en.wikipedia.org/wiki/Astrolabe |
Historically, astrological and astronomical symbols have overlapped. Frequently used symbols include signs of the zodiac and classical planets . These originate from medieval Byzantine codices. Their current form is a product of the European Renaissance . Other symbols for astrological aspects are used in various astro... | https://en.wikipedia.org/wiki/Astrological_symbols |
Astrology and astronomy were archaically treated together ( Latin : astrologia ), but gradually distinguished through the Late Middle Ages [ 1 ] into the Age of Reason . Developments in 17th century philosophy resulted in astrology and astronomy operating as independent pursuits by the 18th century.
Whereas the academ... | https://en.wikipedia.org/wiki/Astrology_and_astronomy |
Astron was a Soviet space telescope launched on 23 March 1983 at 12:45:06 UTC , using the Proton-K rocket. [ 5 ] Based on the 4MV spacecraft design and operational for six years, Astron was the largest ultraviolet space telescope of its time.
The project was headed by Alexandr Boyarchuk . [ 6 ] [ 7 ] [ 8 ] The spacecr... | https://en.wikipedia.org/wiki/Astron_(spacecraft) |
An astronomer is a scientist in the field of astronomy who focuses on a specific question or field outside the scope of Earth . Astronomers observe astronomical objects , such as stars , planets , moons , comets and galaxies – in either observational (by analyzing the data) or theoretical astronomy . Examples of topics... | https://en.wikipedia.org/wiki/Astronomer |
Astronomer Royal for Scotland was the title of the director of the Royal Observatory, Edinburgh until 1995. [ 1 ] It has since been an honorary title. [ 2 ]
This astronomy -related article is a stub . You can help Wikipedia by expanding it .
This Scotland -related article is a stub . You can help Wikipedia by expandi... | https://en.wikipedia.org/wiki/Astronomer_Royal_for_Scotland |
Astronomers Without Borders ( AWB ) is a U.S.-based organization founded by Mike Simmons, dedicated to spreading astronomy throughout the world and connecting people through this universal interest. Projects include crowdfunding in developed countries to sponsor the purchase of equipment and training for people in deve... | https://en.wikipedia.org/wiki/Astronomers_Without_Borders |
Astronomia nova ( English : New Astronomy , full title in original Latin : Astronomia Nova ΑΙΤΙΟΛΟΓΗΤΟΣ seu physica coelestis, tradita commentariis de motibus stellae Martis ex observationibus G.V. Tychonis Brahe ) [ 1 ] [ 2 ] is a book, published in 1609, that contains the results of the astronomer Johannes Kepler 's ... | https://en.wikipedia.org/wiki/Astronomia_nova |
Astronomical Data Query Language ( ADQL ) is a language for astronomical data query based on SQL 92. [ 1 ]
ADQL is a specialized variant of the SQL query language adapted for accessing the astronomical datasets of the virtual observatory , [ 2 ] via the Table access protocol (TAP). [ 3 ] ADQL is designed to handle lar... | https://en.wikipedia.org/wiki/Astronomical_Data_Query_Language |
The Astronomical Netherlands Satellite ( ANS ; also known as Astronomische Nederlandse Satelliet ) was a space-based X-ray and ultraviolet telescope . It was launched into Earth orbit on 30 August 1974 at 14:07:39 UTC in a Scout rocket from Vandenberg Air Force Base , United States. The mission ran for 20 months until ... | https://en.wikipedia.org/wiki/Astronomical_Netherlands_Satellite |
The Astronomical Society of India ( ASI ) is an Indian society of professional astronomers and other professionals from related disciplines. It was founded in 1972, with Vainu Bappu being the founder president of the society, and as of 2010 has a membership of approximately 1000. Its registered office is at the Astrono... | https://en.wikipedia.org/wiki/Astronomical_Society_of_India |
The Astronomical Society of New South Wales ( ASNSW ) is an amateur astronomy club in the state of New South Wales , Australia , founded in 1954. [ 1 ]
The society's objectives, as stated in their constitution, are to "bring together people interested in astronomy and related sciences, and to promote public interest a... | https://en.wikipedia.org/wiki/Astronomical_Society_of_New_South_Wales |
The Astronomical Society of Southern Africa ( ASSA ), formed in 1922, [ 1 ] is a widespread body consisting of both amateur and professional astronomers . There are eight autonomous centres throughout Southern Africa.
The Cape Astronomical Association was established in 1912, shortly after the 1910 appearance of Halle... | https://en.wikipedia.org/wiki/Astronomical_Society_of_Southern_Africa |
The Astronomical Society of Victoria ( ASV ) is an amateur astronomy club in the state of Victoria, Australia. It was founded in 1922, making it one of the oldest such clubs in the country, and with some 1500 members it claims to be one of the largest amateur astronomy organisations in the southern hemisphere. [ 2 ] [... | https://en.wikipedia.org/wiki/Astronomical_Society_of_Victoria |
The Astronomical Society of the Pacific ( ASP ) is an American scientific and educational organization, founded in San Francisco on February 7, 1889, immediately following the solar eclipse of January 1, 1889 . [ 2 ] Its name derives from its origins on the Pacific Coast, but today it has members all over the country a... | https://en.wikipedia.org/wiki/Astronomical_Society_of_the_Pacific |
Astronomical chronology , or astronomical dating , is a technical method of dating events or artifacts that are associated with astronomical phenomena. Written records of historical events that include descriptions of astronomical phenomena have done much to clarify the chronology of the Ancient Near East ; works of a... | https://en.wikipedia.org/wiki/Astronomical_chronology |
An astronomical clock , horologium , or orloj is a clock with special mechanisms and dials to display astronomical information, such as the relative positions of the Sun , Moon , zodiacal constellations , and sometimes major planets .
The term is loosely used to refer to any clock that shows, in addition to the time o... | https://en.wikipedia.org/wiki/Astronomical_clock |
An astronomical constant is any of several physical constants used in astronomy . Formal sets of constants, along with recommended values, have been defined by the International Astronomical Union (IAU) several times: in 1964 [ 1 ] and in 1976 [ 2 ] (with an update in 1994 [ 3 ] ). In 2009 the IAU adopted a new current... | https://en.wikipedia.org/wiki/Astronomical_constant |
In astronomy , coordinate systems are used for specifying positions of celestial objects ( satellites , planets , stars , galaxies , etc.) relative to a given reference frame , based on physical reference points available to a situated observer (e.g. the true horizon and north to an observer on Earth's surface). [ 1 ] ... | https://en.wikipedia.org/wiki/Astronomical_coordinate_systems |
An astronomical day refers to a length of day of exactly or nearly 24 hours beginning at noon instead of at midnight . The exact length has been variously defined as either that of a solar day or of a sidereal day . [ 1 ] [ 2 ] [ 3 ]
Astronomical days were historically used by astronomers (in contrast most commonly to... | https://en.wikipedia.org/wiki/Astronomical_day |
Engineering on an astronomical scale , or astronomical engineering , i.e. , engineering involving operations with whole astronomical objects ( planets , stars , etc.), is a known theme in science fiction , as well as a matter of recent scientific research and exploratory engineering . [ 1 ]
On the Kardashev scale , Ty... | https://en.wikipedia.org/wiki/Astronomical_engineering |
An astronomical object , celestial object , stellar object or heavenly body is a naturally occurring physical entity , association, or structure that exists within the observable universe . [ 1 ] In astronomy , the terms object and body are often used interchangeably. However, an astronomical body or celestial body is ... | https://en.wikipedia.org/wiki/Astronomical_object |
Astronomical rings ( Latin : annuli astronomici ), [ 1 ] also known as Gemma's rings , are an early astronomical instrument. The instrument consists of three rings, representing the celestial equator , declination , and the meridian .
It can be used as a sun dial to tell time, if the approximate latitude and season is... | https://en.wikipedia.org/wiki/Astronomical_rings |
Astronomical spectroscopy is the study of astronomy using the techniques of spectroscopy to measure the spectrum of electromagnetic radiation , including visible light , ultraviolet , X-ray , infrared and radio waves that radiate from stars and other celestial objects. A stellar spectrum can reveal many properties of s... | https://en.wikipedia.org/wiki/Astronomical_spectroscopy |
An astronomical survey is a general map or image of a region of the sky (or of the whole sky) that lacks a specific observational target. Alternatively, an astronomical survey may comprise a set of images, spectra, or other observations of objects that share a common type or feature. Surveys are often restricted to on... | https://en.wikipedia.org/wiki/Astronomical_survey |
The astronomical system of units , formerly called the IAU (1976) System of Astronomical Constants , is a system of measurement developed for use in astronomy . It was adopted by the International Astronomical Union (IAU) in 1976 via Resolution No. 1, [ 1 ] and has been significantly updated in 1994 and 2009 (see Astro... | https://en.wikipedia.org/wiki/Astronomical_system_of_units |
In astronomy , a transit (or astronomical transit ) is the passage of a celestial body directly between a larger body and the observer. As viewed from a particular vantage point, the transiting body appears to move across the face of the larger body, covering a small portion of it. [ 1 ]
The word "transit" refers to c... | https://en.wikipedia.org/wiki/Astronomical_transit |
The astronomical unit (symbol: au [ 1 ] [ 2 ] [ 3 ] [ 4 ] or AU ) is a unit of length defined to be exactly equal to 149 597 870 700 m . [ 5 ] Historically, the astronomical unit was conceived as the average Earth-Sun distance (the average of Earth's aphelion and perihelion ), before its modern redefinition in 2012.
T... | https://en.wikipedia.org/wiki/Astronomical_unit |
Astronomical year numbering is based on AD / CE year numbering, but follows normal decimal integer numbering more strictly. Thus, it has a year 0 ; the years before that are designated with negative numbers and the years after that are designated with positive numbers. [ 1 ] Astronomers use the Julian calendar for year... | https://en.wikipedia.org/wiki/Astronomical_year_numbering |
The Astronomische Gesellschaft is an astronomical society established in 1863 in Heidelberg , the second oldest astronomical society after the Royal Astronomical Society . [ 1 ]
In 1882, the Astronomische Gesellschaft founded the Central Bureau for Astronomical Telegrams at Kiel , where it remained until during World ... | https://en.wikipedia.org/wiki/Astronomische_Gesellschaft |
Astronomische Nachrichten ( Astronomical Notes ), one of the first international journals in the field of astronomy , [ 1 ] was established in 1821 by the German astronomer Heinrich Christian Schumacher . It claims to be the oldest astronomical journal in the world that is still being published. [ 2 ] The publication t... | https://en.wikipedia.org/wiki/Astronomische_Nachrichten |
The Carinthian Astronomical Association ( CAA – German: Astronomische Vereinigung Kärntens , AVK ) Is the second great astronomical association in Austria. The CAA owns two observatories and one planetarium . One observatory is located near Klagenfurt , on the Kreuzbergl, the other on the Gerlitze, near Villach . The p... | https://en.wikipedia.org/wiki/Astronomische_Vereinigung_Kärntens |
Astronomy & Geophysics ( A&G ) is a scientific journal and trade magazine published on behalf of the Royal Astronomical Society (RAS) by Oxford University Press . It is distributed bimonthly to members of the RAS .
A&G publishes content of interest to professional astronomers and geophysicists , including: news report... | https://en.wikipedia.org/wiki/Astronomy_&_Geophysics |
Astronomy Australia Limited ( AAL ) is an independent not-for-profit company whose members are all Australian universities and research organisations with a significant astronomy research capability.
Since its incorporation in 2007, AAL has coordinated the Australian astronomy response to, and managed the funding for,... | https://en.wikipedia.org/wiki/Astronomy_Australia_Limited |
Astronomy Cast is an educational nonprofit podcast discussing various topics in the field of astronomy . The specific subject matter of each episode shifts from week to week, ranging from planets and stars to cosmology and mythbusting. Premiering on September 10, 2006, the weekly show is co-hosted by Fraser Cain and Dr... | https://en.wikipedia.org/wiki/Astronomy_Cast |
Astronomy Ireland is an astronomy association based in Ireland (including the Republic and Northern Ireland ). It is a non-profit [ citation needed ] educational organisation founded by David Moore. [ 1 ]
Astronomy Ireland (AI) was founded in Dublin in 1990 by David Moore and others following a split from the Irish As... | https://en.wikipedia.org/wiki/Astronomy_Ireland |
Astronomy North is a Canadian astronomical society for auroras . They collaborate with the project Aurora Max and the Canadian Space Agency .
The website of Astronomy North contains important information for amateur astronomers . These amateur astronomers can watch the auroras , the sunspots and the weather with simpl... | https://en.wikipedia.org/wiki/Astronomy_North |
The Astronomy and Astrophysics Decadal Survey is a review of astronomy and astrophysics literature produced approximately every ten years by the National Research Council of the National Academy of Sciences in the United States. The report surveys the current state of the field, identifies research priorities, and make... | https://en.wikipedia.org/wiki/Astronomy_and_Astrophysics_Decadal_Survey |
Astronomy has been a favorite and significant component of mythology and religion throughout history. Astronomy and cosmology are parts of the myths of many cultures and religion around the world. Astronomy and religion have long been closely intertwined, particularly during the early history of astronomy . Archaeolog... | https://en.wikipedia.org/wiki/Astronomy_and_religion |
Astronomy education or astronomy education research (AER) refers both to the methods currently used to teach the science of astronomy and to an area of discipline-based education research that seeks to improve those methods. Specifically, AER includes systematic techniques honed in science and physics education to unde... | https://en.wikipedia.org/wiki/Astronomy_education |
Medieval Islamic astronomy comprises the astronomical developments made in the Islamic world , particularly during the Islamic Golden Age (9th–13th centuries), and mostly written in the Arabic language . These developments mostly took place in the Middle East , Central Asia , Al-Andalus , and North Africa , and later i... | https://en.wikipedia.org/wiki/Astronomy_in_the_medieval_Islamic_world |
Astroparticle physics , also called particle astrophysics , is a branch of particle physics that studies elementary particles of astrophysical origin and their relation to astrophysics and cosmology . It is a relatively new field of research emerging at the intersection of particle physics, astronomy , astrophysics, de... | https://en.wikipedia.org/wiki/Astroparticle_physics |
Astrophotography , also known as astronomical imaging , is the photography or imaging of astronomical objects , celestial events, or areas of the night sky . The first photograph of an astronomical object (the Moon ) was taken in 1839, [ 1 ] but it was not until the late 19th century that advances in technology allowed... | https://en.wikipedia.org/wiki/Astrophotography |
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