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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| Pavonis Mons |
One of the three giant shield volcanoes of the Tharsis Ridge on Mars. It is about 400 kilometres 250 miles in diameter and rises to a height of 27 kilometres 17 miles, 17 kilometres above the level of the surrounding ridge.
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