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From coldest to hottest in order what is it?

i. hII regions
ii. neutral hydrogen clouds
iii. ultra-hot insterstellar gas

asked
User Kordi
by
8.1k points

1 Answer

5 votes
In order from coldest to hottest, the ranking would be:

i. Neutral hydrogen clouds
ii. HII regions
iii. Ultra-hot interstellar gas
answered
User Dylanthepiguy
by
8.4k points
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