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  2. H II region
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Linked from

The 52 pages that link to H II region, each with the reason it gives.

All 52Broader topic 18Related 17Narrower topic 7Compared with 10

  • Westerhout 40Narrower topic: The bright nebula in Westerhout 40 is an H II region powered by young massive stars.

  • Zeta OphiuchiRelated: Its ultraviolet photons ionize gas around the star and illuminate its environment.

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