Galaxies Collide! (NASA, Chandra, 8/27/08)

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Photo credit: © NG Images / Alamy / Afripics
License: Licensed
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Keywords: -ray, astronomy, bullet, bulletcluster, chandra, chandraxrayobservatory, cluster, collide!, dark, darkmatter, galaxies, galaxy, matter, nasa, observatory, pictures, space, spacepictures, telescope, xraytelescope