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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| Ephemeris Pl. Ephemerides |
A table giving the celestial coordinates, magnitude and other data for astronomical bodies such as the Moon, Sun, planets and comets. The term is also used for a book containing a compendium of such tables and other astronomical data.
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