A multi-wavelength image of the distant massive galaxy cluster, IDCS J1426.5+3508 (X-rays from Chandra in blue, visible light from Hubble in green, and infrared data from Spitzer in red). A new millimeter wavelength study of massive clusters with the South Pole Telescope has found good agreement with current ideas about galaxy cluster evolution. Credit: NASA Chandra, Spitzer, Hubble
Galaxy clusters have long been recognized as important laboratories for the study of galaxy formation and evolution...
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