Tagged Questions
4
votes
2answers
211 views
How does the evaporation of a black hole look for a distant observer?
Let's assume an observer looking at a distant black hole that is created by collapsing star.
In observer frame of reference time near black hole horizon asymptotically slows down and he never see ...
2
votes
2answers
137 views
event horizons are untraversable by observers far from the collapse?
Consider this a followup question of this one
In the classical schwarszchild solution with an eternal black hole, the user falls through the event horizon in finite local time, but this event does ...
7
votes
2answers
422 views
Do apparent event horizons have Hawking radiation?
As I understand it, black holes have an absolute event horizon and an apparent horizon specific an observer. In addition to black holes, an apparent horizon can come from any sustained acceleration. ...
6
votes
4answers
456 views
de sitter cosmologic limit
It has been said that our universe is going to eventually become a de sitter universe. Expansion will accelerate until their relative speed become higher than the speed of light.
So i want to ...
