cosmic background radiation
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.cosmic background radiation
nounDefinition of COSMIC BACKGROUND RADIATION
First Known Use of COSMIC BACKGROUND RADIATION
circa 1976
cosmic background radiation
noun (Concise Encyclopedia)Electromagnetic radiation, mostly in the microwave range, believed to be the highly redshifted residual effect (see redshift) of the explosion billions of years ago from which, according to the big-bang model, the universe was created. It was discovered by accident in 1964 by Robert W. Wilson and Arno Penzias; its presence supports the predictions of big-bang cosmology.
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