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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| Band Spectrum |
A spectrum characterized by bands of closely spaced absorption lines in a continuous spectrum. Band spectra result from the presence of molecules rather than single atoms.
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