Astrophysics (index)

Circumgalactic Medium

(CGM)
(gas surrounding a galaxy)

The Circumgalactic Medium (CGM) is the gas (and perhaps as Cosmic Dust) surrounding galaxies, generally what's beyond the thick disk but inside the virial radius.


(galaxies,gas,dust)
http://hubblesite.org/pubinfo/pdf/2015/15/pdf.pdf

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