cosmic microwave background
English
editAlternative forms
edit- CMB (initialism)
Etymology
editIt was originally called the primeval fireball.
Noun
editcosmic microwave background (uncountable)
- (astronomy) Faint thermal radiation that pervades all space and is thought to be the remnants of the big bang, produced during the epoch of recombination.
Synonyms
editDerived terms
editRelated terms
editTranslations
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