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 |
|---|---|
| Cataclysmic Variable |
A star whose brightness increases dramatically and suddenly in response to an explosive event. The term is applied particularly to novae and supernovae.
See also: flare star, dwarf nova.
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