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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| Scorpius The Scorpion |
A large, bright constellation of the southern part of the zodiac, among those listed by Ptolemy c. AD 140. The brightest star is the first magnitude Antares. There are 16 other stars brighter than fourth magnitude. Scorpius is also known as Scorpio, particularly in astrological rather than astronomical contexts.
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