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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| Wrinkle Ridge |
A low-relief feature on the lunar surface which may extend for hundreds of kilometres across a mare. Wrinkle ridges appear to be a feature associated with volcanic activity and the flow of lava in the Moon’s distant past.
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