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Interstellar space (the space between the stars) is filled with extremely low-density hydrogen gas.

In the vicinity of a hot star, this gas can be heated to a very hig...

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Interstellar space (the space between the stars) is filled with extremely low-density hydrogen gas.

In the vicinity of a hot star, this gas can be heated to a very high temperature.
This hot, low-density gas will

Answer

low density hydrogen on superheating by the stars proximity gets ionized and emits a red or blue emission spectra and can further ionize gases around the hot star forming an observable nebula.

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Virtual Teaching Assistant: Heather L.
Question Level: Basic
Karma: Free
Upload Date: 5/31/2017

This 36 words question was answered by Heather L. on StudySoup on 5/31/2017. The question contains content related to Chemistry and Science. Since its upload, it has received 320 views.

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