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Noun: cosmic microwave background radiation
  1. (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
    - cosmic background radiation, CBR, CMBR, cosmic microwave background, CMB

Derived forms: cosmic microwave background radiations

Type of: cosmic radiation

Encyclopedia: Cosmic microwave background radiation

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