I agree that that we cannot see black holes directly because they don't emit visible light. The question of whether we can see an image of a black hole is debatable, and i believe it becomes a metaphysical question.
It's similar to "if a tree falls and no one is around to hear it, does it...
I had a conversation with a friend about Black Hole images. I showed him a picture of a black hole taken by the Hubble telescope shown here:
http://hubblesite.org/newscenter/archive/releases/1995/47/image/a/
He claims that it's not a direct image of a black hole because we can't see black...
yea, i thought that organs are accelerating faster than the rest of your strapped body during a roller coaster drop. So the organs push up causing that sinking feeling. I was talking to another friend and he was saying how the horizontal velocity component (the airplane) does not cause the "gut...
Hey all,
I went skydiving 2 days ago expecting to get that sinking stomach feeling that people typically experience during a roller coaster. Well, that didn't happen. It just felt like wind blowing on you. Can someone please explain?