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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| Fomalhaut Alpha Piscis Austrini; α |
The brightest star in the constellation Piscis Austrinus, an A star of apparent visual magnitude 1.2. The name, of Arabic origin, means the fish’s mouth.
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