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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| Capricornus The Sea Goat |
One of the zodiacal constellations recorded by Ptolemy c. AD 140. Its brightest stars are third magnitude.
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