KnowraCircumgalactic mediumLinked fromLinked fromThe 9 pages that link to Circumgalactic medium, each with the reason it gives.All 9Broader topic 2Related 2Narrower topic 1Compared with 4Galactic haloBroader topic: This gas is the halo’s principal ordinary-matter reservoir outside stars.Sculptor GalaxyBroader topic: Material expelled from NGC 253 enters the surrounding halo and can later cool or escape.