File:Andromeda_galaxy_Ssc2005-20a1.jpg
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Summary
DescriptionAndromeda 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. |
Date | |
Source | http://www.spitzer.caltech.edu/images/1493-ssc2005-20a1-Andromeda-in-the-Infrared |
Author | NASA/JPL-Caltech/K. Gordon (University of Arizona) |
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Licensing
Public domainPublic domainfalsefalse |
This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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Original upload log
date/time | username | resolution | size | edit summary | |
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12:34, 13 December 2008 | User:Ceranthor | [4] archive copy at the Wayback Machine | 8,193×2,410 | 21.19 MB | ==License== {{PD-USGov-NASA}} |
07:11, 18 October 2005 | User:Superborsuk | [5][dead 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 |
Items portrayed in this file
depicts
25 August 2004
image/jpeg
5fcaa07dec7fb8a470c77436020421d375ebf133
22,216,323 byte
2,410 pixel
8,193 pixel
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 04:58, 25 December 2008 | 8,193 × 2,410 (21.19 MB) | 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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Orientation | Normal |
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Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 10:11, 13 October 2005 |
Color space | Uncalibrated |