Atmospheric extinction

dcterms modified equal to or less than 2020-11-03T18:34:08.347Zequal to or more than 2020-11-03T18:34:08.347Z
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definition The decrease in the intensity of light from a celestial body due to absorption and scattering by Earth's atmosphere. It increases from the zenith to the horizon and affects short wavelengths more than long wavelengths, so that objects near the horizon appear redder than they do at the zenith.
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scope note Refers to earth atmosphere
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contributor AAS_Frey.Katie original