Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Absorption by black holes

  1. Jul 27, 2015 #1
    Black hole is considered an almost ideal black body by being a perfect black hole. But does it ideally absorb everything coming in the vicinity of its impact? Is it really possible for any body to either ideally absorb or ideally radiate energy?
     
  2. jcsd
  3. Jul 27, 2015 #2

    mfb

    User Avatar
    2016 Award

    Staff: Mentor

    Everything that comes so close that it crosses the event horizon cannot come back, yes.
    Yes.
     
  4. Jul 27, 2015 #3
    Is it experimentally proven or something like that which proves that black hole absorbs everything or it is just theorised?
     
  5. Jul 27, 2015 #4

    mfb

    User Avatar
    2016 Award

    Staff: Mentor

    There are no proofs in physics.
    Experiments are in very good agreement with general relativity, a framework which does not allow things to escape. There is no alternative theory that would allow things to escape without being in conflict with observations.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook




Similar Discussions: Absorption by black holes
  1. Black hole (Replies: 6)

  2. Black holes (Replies: 16)

  3. Black Hole? (Replies: 4)

Loading...