Andromeda Galaxy Spitzer



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Description This infrared composite image from NASA's Spitzer Space Telescope shows the Andromeda galaxy, a neighbor to our Milky Way galaxy. The image highlights the contrast between the galaxy's choppy waves of dust (red) and smooth sea of older stars (blue). Spiral galaxies tend to form new stars in their dusty, clumpy arms, while their cores are populated by older stars. The Spitzer view also shows Andromeda's dust lanes twisting all the way into the center of the galaxy, a region that is crammed full of stars. In visible-light pictures, this central region tends to be dominated by starlight.
Date 2006 June 05 (Release Date)
Source http://www.spitzer.caltech.edu/Media/releases/ssc2006-14/ssc2006-14a.shtml
Author NASA/JPL-Caltech/P. Barmby (Harvard-Smithsonian Center for Astrophysics)
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File name andromeda_galaxy_spitzer.jpg
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Mime type image/jpeg
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Exif image width 14772
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Software used Adobe Photoshop CS2 Macintosh
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