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Beschreibung
BeschreibungAndromeda galaxy Ssc2005-20a1.jpg |
English: NASA's Spitzer Space Telescope has captured stunning infrared views of the famous Andromeda galaxy to reveal insights that were only hinted at in visible light.
This Spitzer's 24-micron mosaic is the sharpest image ever taken of the dust in another spiral galaxy. This is possible because Andromeda is a close neighbor to the Milky Way at a mere 2.5 million light-years away. The Spitzer multiband imaging photometer's 24-micron detector recorded 11,000 separate snapshots to create this new comprehensive picture. Asymmetrical features are seen in the prominent ring of star formation. The ring appears to be split into two pieces, forming the hole to the lower right. These features may have been caused by interactions with satellite galaxies around Andromeda as they plunge through its disk. Spitzer also reveals delicate tracings of spiral arms within this ring that reach into the very center of the galaxy. One sees a scattering of stars within Andromeda, but only select stars that are wrapped in envelopes of dust light up at infrared wavelengths. This is a dramatic contrast to the traditional view at visible wavelengths, which shows the starlight instead of the dust. The center of the galaxy in this view is dominated by a large bulge that overwhelms the inner spirals seen in dust. The dust lanes are faintly visible in places, but only where they can be seen in silhouette against background stars. The data were taken on August 25, 2004, the one-year anniversary of the launch of the space telescope. The observations have been transformed into this remarkable gift from Spitzer -- the most detailed infrared image of the spectacular galaxy to date.Español: Imagen de la galaxia de Andrómeda en Infrarrojo. |
Datum | |
Quelle | http://www.spitzer.caltech.edu/images/1493-ssc2005-20a1-Andromeda-in-the-Infrared |
Urheber | NASA/JPL-Caltech/K. Gordon (University of Arizona) |
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Lizenz
Public domainPublic domainfalsefalse |
Diese Datei ist gemeinfrei (public domain), da sie von der NASA erstellt worden ist. Die NASA-Urheberrechtsrichtlinie besagt, dass „NASA-Material nicht durch Urheberrecht geschützt ist, wenn es nicht anders angegeben ist“. (NASA-Urheberrechtsrichtlinie-Seite oder JPL Image Use Policy). | ||
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Ursprüngliches Datei-Logbuch
date/time | username | resolution | size | edit summary | |
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12:34, 13 December 2008 | User:Ceranthor | [4] Archivkopie in der Wayback Machine | 8,193×2,410 | 21.19 MB | ==License== {{PD-USGov-NASA}} |
07:11, 18 October 2005 | User:Superborsuk | [5][toter Link] | 4,097×1,205 | 1,014 KB | [http://en.wikipedia.org/wiki/Andromeda_Galaxy Andromeda Galaxy] (M31) 2.5 [http://en.wikipedia.org/wiki/light_year ly] Exposure Time: MIPS 24-[http://en.wikipedia.org/wiki/micron micron] image. 100 sec/pixel Image Scale: 2.8 x 0.8 degrees Exposure Date: 2004 August 25 Image Credit: [http://en.wikipedia.org/wiki/NASA NASA]/[http://en.wikipedia.org/wiki/JPL JPL]-[[:e |
In dieser Datei abgebildete Objekte
Motiv
25. August 2004
image/jpeg
5fcaa07dec7fb8a470c77436020421d375ebf133
22.216.323 Byte
2.410 Pixel
8.193 Pixel
Dateiversionen
Klicke auf einen Zeitpunkt, um diese Version zu laden.
Version vom | Vorschaubild | Maße | Benutzer | Kommentar | |
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aktuell | 04:58, 25. Dez. 2008 | 8.193 × 2.410 (21,19 MB) | wikimediacommons>BetacommandBot | move approved by: User:Noodle snacks This image was moved from File:Andromeda galaxy Ssc2005-20a1 halfsize.jpg == Summary == {{es|Imagen de la galaxia de Andrómeda en Infrarrojo.}} Andromeda Galaxy (M31) 2.5 [[:en:light |
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Kameraausrichtung | Normal |
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Horizontale Auflösung | 300 dpi |
Vertikale Auflösung | 300 dpi |
Software | Adobe Photoshop CS2 Macintosh |
Speicherzeitpunkt | 10:11, 13. Okt. 2005 |
Farbraum | Nicht kalibriert |