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Gigantic Galaxy Clusters Found Just Before They're Awash in Star Formation

Astronomers have found examples of giant galaxy clusters dozens of times larger than the Milky Way with all the raw materials for star formation, but they haven't gotten going yet. NASA's Chandra and other telescopes found regions of gas blazing in x-ray radiation between 3.4 and 9.9 billion light-years from Earth. The total mass of the gas outweighs all the stars typically found in hundreds of galaxies in galaxy clusters.

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