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cosmic microwave background

   Also found in: Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
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Noun1.cosmic microwave background - (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 2.725 kelvin
CBR, CMB, CMBR, cosmic background radiation, cosmic microwave background radiation
cosmogeny, cosmogony, cosmology - the branch of astrophysics that studies the origin and evolution and structure of the universe
cosmic radiation - radiation coming from outside the solar system
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His team used the first 3 years of data gathered by NASA's Wilkinson Microwave Anisotropy Probe, which is examining the cosmic microwave background, the latent glow left over from the first moments of the universe.
Cosmic triumph: satellite confirms birth theory of universe by Cowen, R. / Science News
The mid-1960S detection of the cosmic microwave background, a pervasive radiation field predicted by Big Bang theorists, turned professional opinion in cosmology sharply away from the steady state.
Volatile Stardust: the fertile mind of astronomer Fred Hoyle by Silber, Kenneth / Reason
This afterglow is called cosmic microwave background radiation.
Hey, baby! (Space/Big Bang Theory) by Science World
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