bn:00016912n
Noun Concept
Categories: Electromagnetic radiation, Astronomical radio sources, Astrophysics, Pages using sidebar with the child parameter, long volume value
EN
cosmic background radiation  CBR  cosmic microwave background radiation  CMBR  cosmic microwave background
EN
(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 WordNet 3.0
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EN
(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 WordNet 3.0 & Open English WordNet
Cosmic background radiation is electromagnetic radiation that fills all space. Wikipedia
The cosmic microwave background is microwave radiation that fills all space in the observable universe. Wikipedia
Cosmic microwave background, the thermal radiation left over from the time of recombination in Big Bang cosmology. Wikipedia Disambiguation
Type of thermal radiation; cosmic background radiation that is fundamental to observational cosmology because it is the oldest light in the universe, dating to the epoch of recombination Wikidata
Type of spectrum apart from the Big Bang, whichever shows the universe Wikidata
All the electromagnetic radiation entering the Earth from non-point sources in deep space. Wiktionary
Faint thermal radiation that pervades all space and is thought to be the remnants of the big bang. Wiktionary