Time goes slower!
First off, you gotta understand that in the presence of a "normal" mass such as a star or planet etc, the loss in time is almost negligable. In the vacinity of a black hole, things get really weird and unexplainable. But what we do know thus far is that since a black hole has nearly infinite mass and infinite density, things will definitely slow down when getting near the singularity of the black hole. The basic idea is that nothing that is inside of the event horizon of a black hole can escape, the gravity of such a mass is too strong to allow anything to escape. Because of this, imagine a human floating into a black hole, we see this human floating into the hole, but since light does not exist inside of the black hole, the person seems to never move since we cant actually see this person disappear (because light will return the image to us until he actually crosses the event horizon, in which case we wont see this happen because of the enormoous gravity. We will just see this person sitting there forever. Kinda cool.. later buds.
dont think twice its alright
Registered Senior Member
yes same if you are traveling at the speed of light toward a nerby star and lets say it takes you 20 years well when you come back 200 years will have passed here so time really is just a time is on our side if travel of time into the future could be possable at these high speeds. I read alot and this may not sound real but it is .
does time go slower
flukx - yes it does seem to.
you can't see things past the event horizon because of the escape velocity, that, as I'm sure you know, the escape velocity required is greater than the speed of light, so, this guy that you have hanging there forever more is definitely NOT cool to him, though I'm sure his relatives would see it as a great epitaph.
Registered Senior Member
Definitely that later, Rip
Unless, that is, you're going back in time. In which case it would be the former ... I think (therefore I am? Am what?)
We won't see a men sitting on the edge of a black hole, but what we will see is that he falls into the black hole, and slowing down forever....
He will never reach the edge, because on the edge the escape velocity is the same as the speed of light, we will see his motion slow down and slow down and he will never stand still or fall in the black hole.
This is because of the escape velocity what is getting bigger and bigger, and influences the light that comes to us. Concluding to this, he can never reach the place where the escape velocity is the same as the speed of light.
In reality he does fall into the black hole, he will be in the singularity in about the same time it takes for light to get to the singularity.
Another note: A black hole doesn't have an infinite mass.
It even has not an enormous mass, but the same mass as the star-mother. To form a black hole this star had to be bigger then about 4 sunmasses.
It indeed has an infinite density, the singularity.
(we ain't talking about quasars, because most astronomers think they're huge black holes, and when that is right they have a much greater mass)