warm-hot intergalactic medium

English

Noun

warm–hot intergalactic medium (uncountable)

  1. (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

See also

  • inter-galactic medium (IGM)
  • intra-cluster medium (ICM)
  • inter-stellar medium (ISM)
  • inter-planetary medium (IPM)
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