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I What is a Black Hole?

  1. Dec 21, 2016 #1
    What are black holes made of?
  2. jcsd
  3. Dec 21, 2016 #2


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    Gold Member

    There have been hundreds of threads, including a very recent one, on exactly that topic. I suggest a forum search (always a good idea for fundamental questions like this). A good place to start is the threads linked at the bottom of this page.
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