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A galaxy 12.5 billion light-years away gives off the light of 300 trillion suns, because its feeding black hole produces enough heat to set the whole galaxy's dust glowing. Lee Billings reports
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By Scientific American4.2
599599 ratings
A galaxy 12.5 billion light-years away gives off the light of 300 trillion suns, because its feeding black hole produces enough heat to set the whole galaxy's dust glowing. Lee Billings reports
Learn more about your ad choices. Visit megaphone.fm/adchoices

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