Space exploration began with the launch of Sputnik and Astrophysics was born as the application of physics to the phenomena observed by Astronomy, which etymologically means laws of the stars.
There are 2759 entries in this glossary.| Term | Definition |
|---|---|
| Caloris Basin Caloris Planitia |
A large, multi-ringed, impact basin on Mercury. It is 1,300 kilometres 800 miles in diameter and the most conspicuous feature on the planet.
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