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Colossal Ancient Galaxies Died From the Inside Out

Galaxies

Colossal Ancient Galaxies Died From the Inside Out

NBC News

Space April 16, 2015, 10:53 PM GMT / Updated April 16, 2015, 10:28 PM GMT / Source: NBC News The largest ancient galaxies stopped forming stars in their cores about 3 billion years after the Big Bang, with this end of star birth spreading from the inside out in so-called "dead" galaxies, scientists …

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