cosmic background radiation
1cosmic background radiation — noun (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 • Syn: ↑CBR, ↑cosmic microwave background radiation, ↑CMBR, ↑cosmic microwave… …
2cosmic background radiation — noun Date: circa 1976 background radiation …
3cosmic background radiation — Astron. electromagnetic radiation coming from every direction in the universe, considered the remnant of the big bang and corresponding to the black body radiation of 3 K, the temperature to which the universe has cooled. Also called cosmic… …
4cosmic background radiation — noun The faint, uniform flux of microwave radiation that permeates all space and is the redshifted residual effect of the Big Bang …
5Cosmic Background Radiation — Microwave radiation coming from all directions of the universe. It is the remnant, the Redshift glow, of the Big Bang. Also called CBR …
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6Cosmic Background Explorer — (COBE) General information NSSDC ID 1989 089A Organization NASA …
7Cosmic microwave background radiation — CMB and Cosmic background radiation redirect here. For other uses see CMB (disambiguation) and Cosmic background (disambiguation). Physical cosmology …
8Background radiation — This article is about ionizing radiation. For microwave background radiation from space, see Cosmic background radiation and cosmic background. Thermal radiation emitted by Earth is not considered in this category because it is not ionizing.… …
9Cosmic Background Explorer — ▪ United States satellite U.S. satellite placed in Earth orbit in 1989 to map the “smoothness” of the cosmic background radiation (Cosmos) field and, by extension, to confirm the validity of the big bang (big bang model) theory of the… …
10cosmic microwave background radiation — noun (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 • Syn: ↑cosmic background radiation, ↑CBR, ↑CMBR, ↑cosmic microwave background,… …