KnowraH II regionLinked fromLinked fromThe 52 pages that link to H II region, each with the reason it gives.All 52Broader topic 18Related 17Narrower topic 7Compared with 10Orion NebulaNarrower topic: Ultraviolet light from the Trapezium stars ionizes much of the nebula’s hydrogen.Carina NebulaNarrower topic: Ionized hydrogen glows across much of the nebula where massive stars energize its gas.Tarantula NebulaNarrower topic: Ionized hydrogen gives much of the nebula its glowing appearance.ProplydNarrower topic: Many observed proplyds sit inside the Orion Nebula’s ionized H II region.Rosette NebulaNarrower topic: The Rosette is a prominent example of this kind of emission nebula.Omega NebulaNarrower topic: The Omega Nebula is an H II region whose hydrogen glows under ultraviolet radiation.Westerhout 40Narrower topic: The bright nebula in Westerhout 40 is an H II region powered by young massive stars.