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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| Q-Type Asteroid |
A rare type of asteroid, interpreted as being similar to the class of meteorites known as chondrites. Only Apollo and a few other Earth-approaching asteroids are known to belong to this class.
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