Originally Posted By: Bill S.
Black holes are generally presented, at least to lay audiences, as things of enormous gravitational attraction. I think the next step in my line of thought would have to be to ask if the gravity at the event horizon is any stronger than the gravity would have been at the surface of the original star. If it is not, then there is no “escaping” gravity to consider; no one/nothing outside the event horizon experiences gravity beyond that of the original star.

It's more complex and interesting than that consider the first part of this
https://en.wikipedia.org/wiki/Supermassive_black_hole

You didn't touch the gravity creates more gravity why doesn't it go into runaway collapse on itself? smile

Last edited by Orac; 07/25/15 01:51 AM.
I believe in "Evil, Bad, Ungodly fantasy science and maths", so I am undoubtedly wrong to you.