释义 |
DictionarySeecosmic microwave background radiationcosmic microwave radiation
cosmic microwave radiation[′käz·mik ′mī·krō‚wāv ‚rād·ē′ā·shən] (astronomy) A nearly uniform flux of microwave radiation that is believed to permeate all of space and to have originated in the big bang. Also known as cosmic background radiation; cosmic microwave background; microwave background. |