TIL that if you watched an object slip into a black hole, no matter how long you watched, you would never actually see the object enter it due to time dilation.

http://en.wikipedia.org/wiki/Event_horizon



Submitted April 08, 2015 at 09:00PM by jtizzle77 http://www.reddit.com/r/todayilearned/comments/31vsq3/til_that_if_you_watched_an_object_slip_into_a/