Animation of the Phoenix Cluster by NASA
Amazing news release from NASA:
August 15, 2012
RELEASE : 12-278
Phoenix Cluster Sets Record Pace at Forming Stars
WASHINGTON -- Astronomers have found an extraordinary galaxy cluster, one of the largest objects in the universe, that is breaking several important cosmic records. Observations of the Phoenix cluster with NASA's Chandra X-ray Observatory, the National Science Foundation's South Pole Telescope, and eight other world-class observatories may force astronomers to rethink how these colossal structures and the galaxies that inhabit them evolve.