All Questions
5
questions
2
votes
1
answer
228
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What happens to the ergospheres of two colliding black holes, right before collision?
Let's assume we have two black holes with equal mass. They move towards each other, each heading towards the center of the other black hole. Both black holes rotate with equal speed. What happens to a ...
- 163
2
votes
1
answer
1k
views
Event horizon of a rotating black hole
For a non-rotating black hole, Schwarzschild radius itself forms the event horizon, but how do we find the event horizon of a rotating Kerr black hole?
user301349
3
votes
2
answers
2k
views
What's the inner ergosphere in a Kerr black hole?
(My book uses the notation "ergosphere" as the hypersurface of static limit, "ergoregion" as the hypervolume within.)
Studying the Kerr BH, I've come to the part about horizons and ...
- 5,931
4
votes
2
answers
343
views
Kerr Black hole EH and Ergosphere embedding
Goodmorning everyone. I would like to share with you a question that has been gripping me for some time, but which I have never been able to give a convincing answer. When representing the ergosphere ...
11
votes
3
answers
2k
views
Closed timelike curves in the region beyond the ring singularity in the maximal Kerr spacetime
The region beyond the ring singularity in the maximal Kerr spacetime is described as having closed timeline curves. Why and/or how is the question.
Now if you look a Kruskal-Szkeres Diagram (or a ...
- 25.7k