University of Arizona astronomers have helped identify the brightest and most rapidly star-forming galaxy cluster to date, as part of a multi-institution team led by researchers at the Massachusetts Institute of Technology.
The cluster lies 7 billion light years away and dwarfs most known clusters, churning out a dazzling 740 new stars per year in its center. The Phoenix cluster, named after the constellation in which it resides, is among the most massive and most luminous in the universe.
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