cosmic background radiation

English

Noun

cosmic background radiation (uncountable)

  2. (astronomy) All the electromagnetic radiation entering the Earth from non-point sources in deep space, generally attributed to the Big Bang.
    Synonym: cosmic background (ellipsis)
    Hypernyms: electromagnetic radiation < radiation
    Holonyms: electromagnetic radiation < radiation
    Meronyms: CMB, CμB, cosmic microwave background; CIRB, CIB, cosmic infrared background; CNB, CνB, CvB, cosmic neutrino background; CGWB, CGB, cosmic gravitational-wave background
  • cosmic rays (usually understood as not overlapping in meaning)

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