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- M2-9 abstract "Minkowski 2-9, abbreviated M2-9 (and also known as Minkowski's Butterfly, the Wings of a Butterfly Nebula or just Butterfly Nebula, and Twin Jet Nebula) is a planetary nebula that was discovered by Rudolph Minkowski in 1947. It is located about 2,100 light-years away from Earth in the direction of the constellation Ophiuchus. This bipolar nebula takes the peculiar form of twin lobes of material that emanate from a central star. Astronomers have dubbed this object as the Twin Jet Nebula because of the jets believed to cause the shape of the lobes. Its form also resembles the wings of a butterfly. The nebula was imaged by the Hubble Space Telescope in the 1990s.The primary component of the central binary is the hot core of a star that reached the end of its main-sequence life cycle, ejected most of its outer layers and became a red giant, and is now contracting into a white dwarf. It is believed to have been a sun-like star early in its life. The second, smaller star of the binary orbits very closely and may even have been engulfed by the other's expanding stellar atmosphere with the resulting interaction creating the nebula. Astronomers theorize that the gravity of one star pulls some of the gas from the surface of the other and flings it into a thin, dense disk extending into space. Such a disk can successfully account for the jet-exhaust-like appearance of M2-9.The nebula has inflated dramatically due to a fast stellar wind, blowing out into the surrounding disk and inflating the large, wispy hourglass-shaped wings perpendicular to the disk. These wings produce the butterfly appearance when seen in projection. The outer shell is estimated to be about 1,200 years old (Schwarz et al. 1997).".
- M2-9 thumbnail The_Twin_Jet_Nebula.jpg?width=300.
- M2-9 wikiPageExternalLink nph-bib_query?bibcode=1997A%26A...319..267S.
- M2-9 wikiPageExternalLink ap050612.html.
- M2-9 wikiPageExternalLink ap070618.html.
- M2-9 wikiPageExternalLink text.
- M2-9 wikiPageExternalLink sim-id?protocol=html&Ident=PN+M2-9.
- M2-9 wikiPageExternalLink nph-bib_query?bibcode=2001ApJ...552..685L.
- M2-9 wikiPageID "524943".
- M2-9 wikiPageLength "6339".
- M2-9 wikiPageOutDegree "28".
- M2-9 wikiPageRevisionID "678733668".
- M2-9 wikiPageWikiLink Astronomer.
- M2-9 wikiPageWikiLink Astrophysical_jet.
- M2-9 wikiPageWikiLink Bipolar_nebula.
- M2-9 wikiPageWikiLink Bipolar_outflow.
- M2-9 wikiPageWikiLink Butterfly.
- M2-9 wikiPageWikiLink Category:Articles_containing_video_clips.
- M2-9 wikiPageWikiLink Category:Ophiuchus_(constellation).
- M2-9 wikiPageWikiLink Category:Planetary_nebulae.
- M2-9 wikiPageWikiLink Epoch_(astronomy).
- M2-9 wikiPageWikiLink File:M2-9motivo_corradi.gif.
- M2-9 wikiPageWikiLink Glossary_of_shapes_with_metaphorical_names.
- M2-9 wikiPageWikiLink Hourglass-shaped.
- M2-9 wikiPageWikiLink Hubble_Space_Telescope.
- M2-9 wikiPageWikiLink J2000.
- M2-9 wikiPageWikiLink Light-year.
- M2-9 wikiPageWikiLink Light-years.
- M2-9 wikiPageWikiLink Light_year.
- M2-9 wikiPageWikiLink Ophiuchus.
- M2-9 wikiPageWikiLink Parsec.
- M2-9 wikiPageWikiLink Planetary_nebula.
- M2-9 wikiPageWikiLink Red_giant.
- M2-9 wikiPageWikiLink Rudolph_Minkowski.
- M2-9 wikiPageWikiLink Stellar_wind.
- M2-9 wikiPageWikiLink White_dwarf.
- M2-9 wikiPageWikiLink Wikt:lobe.
- M2-9 wikiPageWikiLink File:2003_BUTTERFLY_NEBULA_SWIRL.ogg.
- M2-9 wikiPageWikiLink File:NEB_SWIRL.ogg.
- M2-9 wikiPageWikiLink File:The_Twin_Jet_Nebula.jpg.
- M2-9 wikiPageWikiLinkText "M2-9".
- M2-9 appmagV "14.7".
- M2-9 constellation Ophiuchus.
- M2-9 distLy "2100.0".
- M2-9 epoch Epoch_(astronomy).
- M2-9 epoch J2000.
- M2-9 hasPhotoCollection M2-9.
- M2-9 name "Minkowski 2-9".
- M2-9 names "Butterfly Nebula,".
- M2-9 names "PK 010+18.2".
- M2-9 names "PNG 010.8+18.0".
- M2-9 names "Twin Jet Nebula,".
- M2-9 notes Bipolar_nebula.
- M2-9 notes Bipolar_outflow.
- M2-9 radiusLy "0.7".
- M2-9 sizeV "115".
- M2-9 wikiPageUsesTemplate Template:Citation.
- M2-9 wikiPageUsesTemplate Template:Citation_needed.
- M2-9 wikiPageUsesTemplate Template:Clear.
- M2-9 wikiPageUsesTemplate Template:Commons_category_inline.
- M2-9 wikiPageUsesTemplate Template:Harv.
- M2-9 wikiPageUsesTemplate Template:Other_uses_of.
- M2-9 wikiPageUsesTemplate Template:Planetary_nebula.
- M2-9 wikiPageUsesTemplate Template:Refbegin.
- M2-9 wikiPageUsesTemplate Template:Refend.
- M2-9 wikiPageUsesTemplate Template:Reflist.
- M2-9 wikiPageUsesTemplate Template:Sky.
- M2-9 subject Category:Articles_containing_video_clips.
- M2-9 subject Category:Ophiuchus_(constellation).
- M2-9 subject Category:Planetary_nebulae.
- M2-9 hypernym Nebula.
- M2-9 type Star.
- M2-9 comment "Minkowski 2-9, abbreviated M2-9 (and also known as Minkowski's Butterfly, the Wings of a Butterfly Nebula or just Butterfly Nebula, and Twin Jet Nebula) is a planetary nebula that was discovered by Rudolph Minkowski in 1947. It is located about 2,100 light-years away from Earth in the direction of the constellation Ophiuchus. This bipolar nebula takes the peculiar form of twin lobes of material that emanate from a central star.".
- M2-9 label "M2-9".
- M2-9 sameAs Planetêre_Newel_M2-9.
- M2-9 sameAs Nivlennad_ar_Valafenn_(Naeretaer).
- M2-9 sameAs Schmetterlingsnebel.
- M2-9 sameAs Nebulosa_M2-9.
- M2-9 sameAs M2-9.
- M2-9 sameAs M2-9.
- M2-9 sameAs M2-9.
- M2-9 sameAs M2-9_성운.
- M2-9 sameAs M_2-9.
- M2-9 sameAs M2-9.
- M2-9 sameAs Sommarfugltåka.
- M2-9 sameAs Sommerfugltåken.
- M2-9 sameAs Minkowski_2-9.
- M2-9 sameAs m.02lhts.
- M2-9 sameAs Planetarna_meglica_M2-9.
- M2-9 sameAs Gezegenimsi_Bulutsu_M2-9.
- M2-9 sameAs Q666732.
- M2-9 sameAs Q666732.
- M2-9 sameAs 蝴蝶星雲.
- M2-9 wasDerivedFrom M2-9?oldid=678733668.
- M2-9 depiction The_Twin_Jet_Nebula.jpg.
- M2-9 isPrimaryTopicOf M2-9.