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Is it possible for a black hole to eat an entire galaxy?

  1. Jan 11, 2008 #1
    Is it possible for a black hole to "eat" an entire galaxy?

    Is it possible for a black hole to "eat" an entire galaxy?
     
  2. jcsd
  3. Jan 11, 2008 #2
    Is it possible for a black hole to "eat" an entire galaxy? If so, what about the 1% mass rule? It would seem at some point the universe would be nothing but black holes, thereby after succumbing to evaporation
     
  4. Jan 11, 2008 #3
    The universe is doomed.
     
  5. Jan 11, 2008 #4

    russ_watters

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    Staff: Mentor

    I guess it would be possible, but it wouldn't be likely. Black holes are not cosmic vacuum cleaners. They don't suck everything around them in. The are just really massive objects. So while the center of most galaxies are believed to contain supermassive black holes, the stars in the galaxy are in stable orbits around the center and there is no reason to expect those orbits to decay in any reasonable amount of time.

    Consider this similar question: is our Sun going to "eat" everything in the solar system? No. It won't.
     
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