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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| Pallas |
Asteroid 2, mean diameter 533 km, discovered by Heinrich W. M. Olbers in 1802. It is the second-largest asteroid and of the carbonaceous type, which is similar to the largest asteroid, Ceres. Its orbit is at the unusually steep inclination of 35° to the plane of the solar system.
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