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- NGC_2359 abstract "NGC 2359 (also known as Thor's Helmet) is an emission nebula in the constellation Canis Major. The nebula is approximately 3,670 parsecs (11.96 thousand light years) away and 30 light-years in size. The central star is the Wolf-Rayet star WR7, an extremely hot giant thought to be in a brief pre-supernova stage of evolution. It is similar in nature to the Bubble Nebula, but interactions with a nearby large molecular cloud are thought to have contributed to the more complex shape and curved bow-shock structure of Thor's Helmet.It is also catalogued as Sharpless 2-298 and Gum 4.The nebula has an overall bubble shape, but with complex filamentary structures. The nebula contains several hundred solar masses of ionised material, plus several thousand more of unionised gas. It is largely interstellar material swept up by winds from the central star, although some material does appear to be enriched with the products of fusion and is likely to come directly from the star. The expansion rate of different portions of the nebula varies from 10km/s to at least 30km/s, leading to age estimates of 78,500 - 236,000 years. The nebula has been studied at radio and x-ray wavelengths, but it is still unclear whether it was produced at the class O main sequence stage of development, as a red supergiant, luminous blue variable, or mainly as a Wolf-Rayet star.".
- NGC_2359 thumbnail NGC_2359.jpg?width=300.
- NGC_2359 wikiPageExternalLink apod_search?tquery=ngc+2359.
- NGC_2359 wikiPageExternalLink ngc2359.htm.
- NGC_2359 wikiPageExternalLink thors-helmet-ngc-2359.
- NGC_2359 wikiPageExternalLink Thors_Helmet_Nebula.html.
- NGC_2359 wikiPageExternalLink eso1238.
- NGC_2359 wikiPageExternalLink n2359.htm.
- NGC_2359 wikiPageID "15275444".
- NGC_2359 wikiPageLength "4200".
- NGC_2359 wikiPageOutDegree "21".
- NGC_2359 wikiPageRevisionID "697607253".
- NGC_2359 wikiPageWikiLink Astronomy_Picture_of_the_Day.
- NGC_2359 wikiPageWikiLink Canis_Major.
- NGC_2359 wikiPageWikiLink Category:Canis_Major_(constellation).
- NGC_2359 wikiPageWikiLink Category:Emission_nebulae.
- NGC_2359 wikiPageWikiLink Category:NGC_objects.
- NGC_2359 wikiPageWikiLink Category:Sharpless_objects.
- NGC_2359 wikiPageWikiLink Category:Wolf–Rayet_nebulae.
- NGC_2359 wikiPageWikiLink Emission_nebula.
- NGC_2359 wikiPageWikiLink Epoch_(astronomy).
- NGC_2359 wikiPageWikiLink European_Southern_Observatory.
- NGC_2359 wikiPageWikiLink Gum_catalog.
- NGC_2359 wikiPageWikiLink HD_56925.
- NGC_2359 wikiPageWikiLink Luminous_blue_variable.
- NGC_2359 wikiPageWikiLink NGC_7635.
- NGC_2359 wikiPageWikiLink Red_supergiant.
- NGC_2359 wikiPageWikiLink Sharpless_catalog.
- NGC_2359 wikiPageWikiLink Supernova.
- NGC_2359 wikiPageWikiLink Wolf–Rayet_star.
- NGC_2359 wikiPageWikiLink File:NGC_2359.jpg.
- NGC_2359 wikiPageWikiLinkText "2359".
- NGC_2359 wikiPageWikiLinkText "Gum 4".
- NGC_2359 wikiPageWikiLinkText "NGC 2359".
- NGC_2359 caption "Thor’s Helmet Nebula imaged on the occasion of ESO’s 50th Anniversary.".
- NGC_2359 constellation Canis_Major.
- NGC_2359 distLy "11960".
- NGC_2359 epoch Epoch_(astronomy).
- NGC_2359 name "Thor’s Helmet Nebula".
- NGC_2359 names "GUM 4, LBN 227.66-00.09, SH 2-298, GRS 227.80 -00.20, LBN 1041, RCW 5".
- NGC_2359 notes "HII region".
- NGC_2359 wikiPageUsesTemplate Template:DEC.
- NGC_2359 wikiPageUsesTemplate Template:Gum_catalogue.
- NGC_2359 wikiPageUsesTemplate Template:Nebula-stub.
- NGC_2359 wikiPageUsesTemplate Template:Ngc25.
- NGC_2359 wikiPageUsesTemplate Template:Planetary_nebula.
- NGC_2359 wikiPageUsesTemplate Template:RA.
- NGC_2359 wikiPageUsesTemplate Template:RCW.
- NGC_2359 wikiPageUsesTemplate Template:Reflist.
- NGC_2359 wikiPageUsesTemplate Template:Sh2_objects.
- NGC_2359 wikiPageUsesTemplate Template:Sky.
- NGC_2359 wikiPageUsesTemplate Template:WikiSky.
- NGC_2359 subject Category:Canis_Major_(constellation).
- NGC_2359 subject Category:Emission_nebulae.
- NGC_2359 subject Category:NGC_objects.
- NGC_2359 subject Category:Sharpless_objects.
- NGC_2359 subject Category:Wolf–Rayet_nebulae.
- NGC_2359 hypernym Nebula.
- NGC_2359 type Star.
- NGC_2359 type Catalogue.
- NGC_2359 type Object.
- NGC_2359 type Redirect.
- NGC_2359 comment "NGC 2359 (also known as Thor's Helmet) is an emission nebula in the constellation Canis Major. The nebula is approximately 3,670 parsecs (11.96 thousand light years) away and 30 light-years in size. The central star is the Wolf-Rayet star WR7, an extremely hot giant thought to be in a brief pre-supernova stage of evolution.".
- NGC_2359 label "NGC 2359".
- NGC_2359 sameAs Q832978.
- NGC_2359 sameAs NGC_2359.
- NGC_2359 sameAs NGC_2359.
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- NGC_2359 sameAs NGC_2359.
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- NGC_2359 sameAs NGC_2359.
- NGC_2359 sameAs NGC_2359.
- NGC_2359 sameAs NGC_2359.
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- NGC_2359 sameAs NGC_2359.
- NGC_2359 sameAs NGC_2359.
- NGC_2359 sameAs NGC_2359.
- NGC_2359 sameAs m.03hnv0y.
- NGC_2359 sameAs NGC_2359.
- NGC_2359 sameAs NGC_2361.
- NGC_2359 sameAs Hmlovina_Thorova_prilba.
- NGC_2359 sameAs NGC_2359.
- NGC_2359 sameAs NGC_2359.
- NGC_2359 sameAs NGC_2359.
- NGC_2359 sameAs NGC_2359.
- NGC_2359 sameAs NGC_2359.
- NGC_2359 sameAs Q832978.
- NGC_2359 sameAs NGC_2359.
- NGC_2359 wasDerivedFrom NGC_2359?oldid=697607253.
- NGC_2359 depiction NGC_2359.jpg.
- NGC_2359 isPrimaryTopicOf NGC_2359.