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Results tagged with Search options user 19

Questions regarding points of extremely high mass density, which creates an extremely strong gravitational field from which light cannot escape.

10
votes
What happens is that the gravity produced by a black hole is simply so great that it warps the spacetime fabric in such a way that any light which crosses the event horizon is funneled in by the fabri …
answered Sep 25 '13 by Undo
38
votes
5answers
Black holes have so much gravity that even light can't escape from them. If we can't see them, and the suck up all electromagnetic radiation, then how can we find them?
asked Sep 24 '13 by Undo
12
votes
A black hole has an event horizon which 'marks the point of no return'. So yes, light cannot escape from a black hole. Why? Well, think of a 'spacetime fabric'. It's the easiest way to understand the …
answered Sep 24 '13 by Undo
14
votes
4answers
Every time I hear about a black hole, it's always in conjunction with the collapse of a star. Have any other processes been observed to create a black hole?
asked Sep 25 '13 by Undo
25
votes
3answers
I've heard that light can't escape from a black hole. Can it? If not, why?
asked Sep 24 '13 by Undo
5
votes
A wormhole is, in theory, a 'tunnel' which would be a shortcut to another point in spacetime. There's a Wikipedia article on the subject: A wormhole, also known as an Einstein–Rosen bridge, is a h …
answered Sep 26 '13 by Undo