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 |
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| Deslandres |
A large lunar crater, diameter 234 kilometres 145 miles, on the southern border of the Mare Nubium. Its walls are overlapped by several other craters, including Regiomontanus, Walter and Lexell. The crater Hell lies within it.
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