File:Pistol star and nebula.jpg
Pistol_star_and_nebula.jpg (505 × 508 píxeles; tamaño de archivo: 246 kB; tipo MIME: image/jpeg)
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DescripciónPistol star and nebula.jpg |
English: One of the intrinsically brightest stars in our galaxy appears as the bright white dot in the center of this image taken with NASA's Hubble Space Telescope. Hubble's Near Infrared Camera and Multi-Object Spectrometer (NICMOS) was needed to take the picture, because the star is hidden at the galactic center, behind obscuring dust. NICMOS' infrared vision penetrated the dust to reveal the star, which is glowing with the radiance of 10 million suns.
The image also shows one of the most massive stellar eruptions ever seen in space. The radiant star has enough raw power to blow off two expanding shells (magenta) of gas equal to the mass of several of our suns. The largest shell is so big (4 light-years) it would stretch nearly all the way from our Sun to the next nearest star. The outbursts seen by Hubble are estimated to be only 4,000 and 6,000 years old, respectively. Despite such a tremendous mass loss, astronomers estimate the extraordinary star may presently be 100 times more massive than our Sun, and may have started with as much as 200 solar masses of material, but it is violently shedding much of its mass. The star is 25,000 light-years away in the direction of the constellation Sagittarius. Despite its great distance, the star would be visible to the naked eye as a modest 4th magnitude object if it were not for the dust between it and the Earth. This false-colored image is a composite of two separately filtered images taken with the NICMOS, on September 13,1997. The field of view is 4.8 light-years across, at the star's distance of 25,000 light-years. Resolution is 0.075 arc seconds per pixel (picture element). |
Fecha | |
Fuente | http://hubblesite.org/newscenter/archive/releases/1997/33/image/a/ (image link) |
Autor | Don F. Figer (UCLA) and NASA |
Licencia[editar]
Public domainPublic domainfalsefalse |
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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actual | 05:12 29 nov 2015 | 505 × 508 (246 kB) | PlanetUser (discusión | contribs.) | Reverted to version as of 11:17, 13 August 2012 (UTC) | |
05:12 29 nov 2015 | 2400 × 2999 (709 kB) | PlanetUser (discusión | contribs.) | original source from http://imgsrc.hubblesite.org/hu/db/images/hs-1997-33-a-print.jpg | ||
11:17 13 ago 2012 | 505 × 508 (246 kB) | Fabian RRRR (discusión | contribs.) | source: http://www.spacetelescope.org/images/opo9733a/ better suited copyright | ||
19:58 20 sep 2005 | 505 × 508 (196 kB) | Wmahan~commonswiki (discusión | contribs.) | An image of the Pistol Star and Pistol Nebula, from [http://imgsrc.hubblesite.org/hu/db/1997/33/images/a/formats/web.jpg]. Taken 13 September, 1997 by NICMOS. This is a false-color composite image. See [http://hubblesite.org/newscenter/newsdesk/archive/r |
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Título de la imagen |
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Fuente | ESA/Hubble |
Crédito/proveedor | Don F. Figer (UCLA), and NASA/ESA |
Encabezado | One of the intrinsically brightest stars in our galaxy appears as the bright white dot in the center of this image taken with the NASA/ESA Hubble Space Telescope. Hubble's Near Infrared Camera and Multi-Object Spectrometer (NICMOS) was needed to take the picture, because the star is hidden at the galactic center, behind obscuring dust. NICMOS' infrared vision penetrated the dust to reveal the star, which is glowing with the radiance of 10 million suns. |
Título breve |
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Términos de uso |
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Fecha y hora de la generación de los datos | 15:00 8 oct 1997 |
Información de contacto |
http://www.spacetelescope.org/ Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany |
Palabras clave | Pistol Nebula |