faint glow within galaxy clusters illuminates dark matter color palette

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#101116 #1C436B #226ABB #A5B2DA #5C84BB

related tags: 1C436B 226ABB 2F4357 486C95 5C84BB 7488A3 A5B2DA B2B9CD abells1063 astronomy cluster cosmos dark galaxy hubble macsj041612403 matter space telescope universe 101116 121214