Fastest-Growing Galaxy Cluster Discovered (Gallery)

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Phoenix Cluster and Abell 2029 and Abell 2052

Credit: UV: NASA/JPL-Caltech/M.McDonald; Optical: AURA/NOAO/CTIO/MIT/M.McDonald; SDSS
Optical (red, green, blue) and ultraviolet (blue) image of center of Phoenix Cluster, and optical images of the clusters Abell 2029 and Abell 2052. Top…Read More »

image taken with the NOAO Blanco telescope. Image released August 15, 2012.   Less «
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