Galaxy Cluster Abell 520 (NASA, Chandra, Hubble, 03/07/12)

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Photo credit: © NG Images / Alamy / Afripics
License: Licensed
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Keywords: (nasa, -ray, 0, 520, abell, abell520, astronomy, chandra, chandraxrayobservatory, cluster, clusterm, dark, darkmatter, galaxy, galaxyclusterm, gravitational, gravitationallensing, hubble, hubblespacetelescope, lensing, matter, nasa, observatory, space, telescope, universe, xraytelescope