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| Description: The Coma Cluster (a) This rich, regular cluster that contains thousands of galaxies is about 300 million ly from Earth. (b) Regular clusters are composed mostly of elliptical and lenticular galaxies and are sources of X rays. This Chandra image shows Coma’s central region, which is 1.5 million ly across. The gas cloud emitting most of these X rays is 100 million K. Picture Stats: Views: 646 Filesize: 162.02kB Height: 637 Width: 1350 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=18730 |