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When does the event horizon form?

  1. Feb 16, 2007 #1
    As a massive star begins it's collapse into a singularity, at what stage does the event horizon form?
     
  2. jcsd
  3. Feb 17, 2007 #2

    Chronos

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    When it reaches the Schwarzschild limit.
     
  4. Feb 17, 2007 #3
    Is it possible to halt the implosion beyond the schwarzchild limit by spinning it fast enough?
     
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