cosmic background radiation

== English == === Noun === cosmic background radiation (uncountable) (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 ==== Related terms ==== ==== Translations ====