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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| Ivar |
Asteroid 1627, diameter 6.2 km, discovered in 1929 by Ejnar Hertzsprung. It is a member of the Amor group.
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