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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| Ophelia |
A small satellite of Uranus discovered by the Voyager 2 spacecraft in 1986. Ophelia is one of two satellites that act as shepherds of the planet’s Epsilon ring the other being Cordelia.
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