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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| Belt Of Orion |
The three stars Delta δ, Epsilon ε and Zeta ζ Orionis, forming the belt of the mythological figure of the constellation Orion.
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