H II-region

En H II-region är ett interstellärt moln av glödande gas och plasma, ibland flera hundra ljusår tvärs över, i vilket stjärnbildning äger rum. Unga, heta, blåa stjärnor som har bildats ur gasen avger kopiösa mängder ultraviolett ljus, vilket joniserar nebulosan som omger dem.

Uses material from the Wikipedia article "H II-region", which is released under the Creative Commons BY-SA 3.0.
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Himlakropp AvståndWiki
AlniyatH II-regionO474
AntaresH II-regionM553[x]
Barnard's LoopH II-region1623
Bubble NebulaH II-region7094[x]
Bug NebulaH II-region3381[x]
California NebulaH II-region990
Cat's Paw NebulaH II-region5497[x]
Cave NebulaH II-region2395[x]
CD-36 11341H II-region3399[x]
Cocoon NebulaH II-region3182
Crab NebulaH II-region7004[x]
Crescent NebulaH II-region5006[x]
Csi+29-19529H II-region6000
Eagle NebulaH II-region6986[x]
Fine Ring NebulaH II-region999
Flame NebulaH II-region994[x]
Flaming Star NebulaH II-region1698
HD 148937H II-regionO1388
HD 99897H II-regionO1802
Heart NebulaH II-region7514[x]
Hen 2-215H II-region4899
HindH II-region573[x]
IC 1287H II-region996
IC 1396H II-region2584
IC 1805H II-region6059[x]
IC 1848H II-region6553[x]
IC 2944H II-region5910[x]
IC 348H II-region1263
IC 4604H II-region587
KN MuscaeH II-region1780[x]
Lagoon NebulaH II-region4496[x]
LBN 623H II-region585
M16H II-region5753[x]
M17H II-region4245[x]
M20H II-region2659[x]
Monkey Head NebulaH II-region6389
NGC 1333H II-region1061[x]
NGC 1931H II-region7017
NGC 1999H II-region1144[x]
NGC 2264H II-region2066[x]
NGC 281H II-region8004[x]
NGC 3199H II-region15027
NGC 6337H II-region4877
NGC 6357H II-region8159[x]
NGC 7538H II-region9003
NGC 7822H II-region2790
North America NebulaH II-region1891
OmegaH II-region5504[x]
Orion NebulaH II-region1397[x]
Pelican NebulaH II-region1884
Pencil NebulaH II-region815
PMD2009 11H II-region1262
R MonocerotisH II-regionB3000
Red Spider NebulaH II-region3004[x]
RegorH II-region1047[x]
Rosette NebulaH II-region5302[x]
Trifid NebulaH II-region5197[x]
V1328 OrionisH II-regionK1259
V2288 OrionisH II-regionM1257
V594 CasH II-regionB658
Witch Head NebulaH II-region888[x]
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