cosmic background radiation

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Definition of cosmic background radiation in English English dictionary: The faint, uniform flux of microwave radiation that permeates all space and is the redshifted residual effect of the Big Bang; 725 kelvin; (cosmology) the cooled remnant of the hot big bang that fills the entire universe and can be observed today with an average temperature of about 2; 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
cosmic radiation: streams of highly penetrating charged particles bombarding the earth from outer space
cosmic radiation: radiation consisting of cosmic rays

cosmic background radiation

Hyphenation

cos·mic back·ground ra·di·a·tion

käzmîk bäkgraund reydieyşın

/ˈkäzmək ˈbakˌground ˌrādēˈāsʜən/ /ˈkɑːzmɪk ˈbækˌɡraʊnd ˌreɪdiːˈeɪʃən/

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