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File:Ngc7635 (2).jpg

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Descrizione This NASA Hubble Space Telescope image reveals an expanding shell of glowing gas surrounding a hot, massive star in our Milky Way Galaxy. This shell is being shaped by strong stellar winds of material and radiation produced by the bright star at the left, which is 10 to 20 times more massive than our Sun. These fierce winds are sculpting the surrounding material — composed of gas and dust — into the curve-shaped bubble. Astronomers have dubbed it the Bubble Nebula (NGC 7635). The nebula is 10 light-years across, more than twice the distance from Earth to the nearest star. Only part of the bubble is visible in this image. The glowing gas in the lower right-hand corner is a dense region of material that is getting blasted by radiation from the Bubble Nebula's massive star. The radiation is eating into the gas, creating finger-like features. This interaction also heats up the gas, causing it to glow.
Data
Fonte http://hubblesite.org/newscenter/archive/releases/1998/28/image/e/ (direct link)
Autore The Hubble Heritage Team (AURA/STScI/NASA)
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Public domain This file is in the public domain because it was created by NASA and ESA. NASA Hubble material (and ESA Hubble material prior to 2009) is copyright-free and may be freely used as in the public domain without fee, on the condition that only NASA, STScI, and/or ESA is credited as the source of the material. This license does not apply if ESA material created after 2008 or source material from other organizations is in use.
The material was created for NASA by Space Telescope Science Institute under Contract NAS5-26555, or for ESA by the Hubble European Space Agency Information Centre. Copyright statement at hubblesite.org or 2008 copyright statement at spacetelescope.org. For material created by the European Space Agency on the spacetelescope.org site since 2009, use the {{ESA-Hubble}} tag.

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Data/OraMiniaturaDimensioniUtenteCommento
attuale16:42, 25 gen 2010Miniatura della versione delle 16:42, 25 gen 20101 131 × 1 200 (80 KB)TryphonHigher resolution, from http://hubblesite.org/newscenter/archive/releases/1998/28/image/e/.
02:49, 16 ott 2008Miniatura della versione delle 02:49, 16 ott 2008749 × 795 (45 KB)Melesse== Summary == Hubble picture of NGC 7635 ("The Bubble Nebula") == Licensing == {{PD-Hubble}} Category:Nebula <!--{{ImageUpload|basic}}-->

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