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atmospheric window

noun, Astronomy.
any of the wavelengths at which electromagnetic radiation from space can penetrate the earth's atmosphere.
Origin of atmospheric window
First recorded in 1965-70 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for atmospheric window

atmospheric window

wavelengths of the electromagnetic spectrum that can be transmitted through the earth's atmosphere. Atmospheric windows occur in the visible, infrared, and radio regions of the spectrum
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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