Urdu Meanings, Pronounciation and Synonyms:
cosmic background radiation
(Pronunciation -تلفظ سنیۓ )
US: 
Slow
Normal
Noun: cosmic background radiation
| 1. cosmic background radiation [ Synonyms: cbr, cmb, cmbr, cosmic microwave background, cosmic microwave background radiation] | |
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(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
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