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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| S-Type Asteroid |
A category of asteroid of intermediate albedo, thought to be made of silicaceous material, similar to stony meteorites. S-type asteroids are relatively common in the inner asteroid belt.
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