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 |
|---|---|
| Elysium Planitia |
A large volcanic plain on Mars, more than 5,000 kilometres 3,000 miles across.
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