Astrophysics (Index)About

circumgalactic medium

(CGM)
(gas surrounding a galaxy)

The circumgalactic medium (CGM) is the gas (and perhaps dust) surrounding galaxies, generally what's beyond the thick disk but within its virial radius.


(galaxies,gas,dust)
Further reading:
https://ui.adsabs.harvard.edu/abs/2017ARA%26A..55..389T/abstract
https://hubblesite.org/uploads/science_paper/file_attachment/175/pdf.pdf

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