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| Keywords: Andromeda Galaxy Spitzer.jpg 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 http //www spitzer caltech edu/Media/releases/ssc2006-14/ssc2006-14a shtml 2006 June 05 Release Date NASA/JPL-Caltech/P Barmby Harvard-Smithsonian Center for Astrophysics Unless otherwise noted images and video on Spitzer public web sites public sites ending with a spitzer caltech edu address may be used for any purpose without prior permission http //www spitzer caltech edu/Media/mediaimages/copyright shtml PD-USGov Andromeda Galaxy Spitzer space telescope NASA images | ||||
