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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| Quetzalcoatl |
Asteroid 1915, diameter 0.4 km, discovered in 1953 when it made a close approach to the Earth. It is a member of the Amor group.
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