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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| Galactic Poles |
The poles of the galactic plane, i.e. the points at galactic latitudes 90° north and south. The north galactic pole is in the constellation Coma Berenices at RA 12h 51.4m and Dec. 27° 7.7' (epoch 2000.0). The diametrically opposite south pole is in the constellation Sculptor.
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