Astrophysics (Index)About

HI supershell

(shells of HI hundreds of parsecs)

A HI supershell is a supershell (the shell-shaped region of denser interstellar medium (ISM) surrounding a region of hotter, low density ISM, hundreds of parsecs across) with substantial neutral atomic hydrogen, i.e., the surrounding "shell" portion comprised of HI regions.


(gas,object type,HI)
Further reading:
https://ui.adsabs.harvard.edu/abs/2016A%26A...585A.154S/abstract
https://ned.ipac.caltech.edu/level5/Hawthorn/Haw3.html

Referenced by pages:
Anticenter Shell
shell
supershell

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