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 |
|---|---|
| Vv Cephei Star |
A member of a class of supergiant binary stars with emission line spectra. The primary is a supergiant of spectral type G or M and the secondary a hot B star. Fewer than twenty are known.
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