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

How would you describe a black hole

  1. Apr 17, 2012 #1
    it is such a wierd object

    mysterious almost spiritual
  2. jcsd
  3. Apr 17, 2012 #2
    would any of you consider a black hole to be opaque
  4. Apr 17, 2012 #3
    A black hole is a really complicated thing thats not really easy to describe. If I HAD to, I would say that a black hole is an object whose gravity is so strong that light cannot escape.

    But instead of listening to my bad oversimplification, I'd read this: http://en.wikipedia.org/wiki/Black_hole

    Also to your second question, the words 'transparent' and 'opaque' don't really apply here.
  5. Apr 17, 2012 #4
    i have read it and i am trying to absorb it

    but i am not an astrophysicist so i am going to see it in a different way

    it is opaque to me in that its an object that is hard to understand-obscure
    and possibly dark
    the other definitions of opaque probably do not apply but i am not sure
    not allowing light to pass through
  6. Apr 17, 2012 #5
    Well it is not that hard to understand-once you accept certain base axioms.

    Opaque and Transparent really don't apply here. Any light that passes through the event horizon (enters the black hole) will never come out, so in that way it is dark.

    In actuality, black holes actually radiate light-but it is for complex reasons that I wouldn't worry about until you have grasped the more basic aspects of black holes.
  7. Apr 17, 2012 #6
    by opaque he means

    4. hard to understand; not clear or lucid; obscure: The problem remains opaque despite explanations.


  8. Apr 17, 2012 #7
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook