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Air Mass (Astronomy) Jesse Russell

Air Mass (Astronomy)

Jesse Russell

Published June 26th 2012
ISBN : 9785512638446
Paperback
90 pages
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 About the Book 

High Quality Content by WIKIPEDIA articles! In astronomy, air mass (or airmass) is the optical path length through Earths atmosphere for light from a celestial source. As it passes through the atmosphere, light is attenuated by scattering andMoreHigh Quality Content by WIKIPEDIA articles! In astronomy, air mass (or airmass) is the optical path length through Earths atmosphere for light from a celestial source. As it passes through the atmosphere, light is attenuated by scattering and absorption- the more atmosphere through which it passes, the greater the attenuation. Consequently, celestial bodies at the horizon appear less bright than when at the zenith. The attenuation, known as atmospheric extinction, is described quantitatively by the Beer-Lambert-Bouguer law.