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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| Phoenix |
A southern constellation introduced in the 1603 star atlas of Johann Bayer. Though not particularly conspicuous, it does contain seven stars brighter than fourth magnitude.
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