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README.md

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-license: cc-by-sa-4.0
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+license: cc-by-sa-4.0
+---
+---
+size_categories:
+- 100M<n<1B
+---
+# Multi-Satellite Atmospheric Density and Space Environment Dataset
+
+## Overview
+
+This dataset is a **multi-satellite, multi-epoch, multi-dimensional** comprehensive collection of atmospheric density and space environment observations from **5 distinct satellites** (CHAMP, GRACE-A, GRACE-B, GRACE-FO, GOCE). It provides high-precision orbital parameters and atmospheric density measurements, seamlessly integrated with key space environment indices including geomagnetic activity and solar activity parameters.
+
+### Key Highlights
+
+- **🛰️ Five Diverse Satellites**: Covering different orbital altitudes and observation periods
+- **📈 Complete Parameter Set**: 14 essential physical quantities spanning orbit, atmosphere, geomagnetism, and solar activity
+- **🌍 Period Classification**: Separate **quiet** and **active** subsets for contrastive analysis
+- **⏱️ High Temporal Resolution**: 10-second sampling interval capturing rapid atmospheric density variations
+- **🔬 Production-Ready Quality**: Rigorously quality-controlled with missing values filled
+
+---
+### Tip
+
+This is merely a sample of the dataset; the complete data can be found at https://huggingface.co/datasets/wenyb/ThermoBench