bn:00928399n
Noun Concept
Categories: H I regions, Nebulae
EN
H I region  H. I. Region  H I  H I profile  HI region
EN
An HI region or H I region is a cloud in the interstellar medium composed of neutral atomic hydrogen, in addition to the local abundance of helium and other elements. Wikipedia
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EN
An HI region or H I region is a cloud in the interstellar medium composed of neutral atomic hydrogen, in addition to the local abundance of helium and other elements. Wikipedia
A cloud in the interstellar medium Wikipedia Disambiguation
Interstellar cloud composed of neutral atomic hydrogen Wikidata
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