BACKGROUND RADIATION


Meaning of BACKGROUND RADIATION in English

Function: noun

Date: 1968

: the microwave radiation pervading the universe that exhibits a corresponding blackbody temperature of 2.7 K and that is the principal evidence supporting the big bang theory ― called also cosmic background radiation

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.