Circumgalactic medium

Noun

Definitions

1.NounThe gas and plasma in the region surrounding a galaxy, beyond the galactic disc or ovoid, or interstellar medium (ISM), but within the galaxy's virial radius.

Synonyms

intergalactic medium interstellar medium midsphere plasmasphere interplanetary space intermedium local interstellar cloud interstellar space midspace intershell deep space intermundium

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