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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| Oscillator Strength F-Value |
A measure of the intrinsic strength of a spectral line. It depends on the probability that the transition between atomic energy levels responsible for the line will take place in a particular time. It is independent of the physical conditions under which the transition occurs.
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