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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| Oberon |
One of the larger satellites of Uranus, discovered by William Herschel in 1787. Its surface is covered by numerous impact craters, many surrounded by bright rays and blankets of ejecta. Several have very dark material within them.
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