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 |
|---|---|
| Photoelectric Photometry Pep |
The accurate measurement of the magnitudes of stars by means of a photomultiplier or CCD.
See also: photometry.
|