warm-hot intergalactic medium
English
Noun
warm–hot intergalactic medium (uncountable)
- (astronomy) A sparse, warm-to-hot (105 to 107 K) plasma that cosmologists believe to exist in the spaces between galaxies and to contain 40–50% of the baryons in the universe at the current epoch.
Synonyms
- WHIM (abbreviation)
See also
- inter-galactic medium (IGM)
- intra-cluster medium (ICM)
- inter-stellar medium (ISM)
- inter-planetary medium (IPM)