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How the Universe Works: Season 5

5x03 Black Holes: The Secret Origin
TV-PG

  • 2016-12-07T02:00:00Z on Science
  • 42m
  • United States
  • English
  • Documentary
Recent discoveries could explain how supermassive black holes grow so big, one of the universe's most mysterious questions. Neither dark matter nor cannibalism can fully explain these monsters, but the latest science might finally provide an answer.
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