warm-hot intergalactic medium
English
editNoun
editwarm–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
edit- WHIM (abbreviation)