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 |
|---|---|
| Scheat Beta Pegasi; β Peg |
The second-brightest star in the constellation Pegasus. It is a supergiant M star and varies in brightness between magnitudes 2.4 and 2.8. The name is derived from Arabic and probably means shoulder.
|