<p>I am familiar with the Kerr metric, which states that a black hole can spin. I also know that, due to the spin, the singularity is ring shaped. I wonder, if enough spin is given to the black hole, that it could have a toroidal shape. I also wonder what properties the 'hole' in the torus has. If it isn't a torus, then what shape is it?</p>

CC BY-SA 4.0
2024-08-18T02:47:05.073Z
Not really. See this related question on our sister site: https://physics.stackexchange.com/q/730094/123208
PM 2Ring
CC BY-SA 4.0
2024-08-20T18:19:33.317Z
I'm a little confused by your question. I thought "ring-shaped" and "toroidal-shaped" were basically the same shape... https://en.wikipedia.org/wiki/Toroid
Greg Burghardt
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2024-08-21T23:34:29.410Z
The singularity is like the circumference of a circle, infinitely thin, but curved into a circle
Laplace's Demon
<black-hole><general-relativity><space-time>
Could a black hole be shaped like a torus?
Laplace's Demon
# Could a black hole be shaped like a torus?

(Asked by: username_0 on 2024-08-18)

I am familiar with the Kerr metric, which states that a black hole can spin. I also know that, due to the spin, the singularity is ring shaped. I wonder, if enough spin is given to the black hole, that it could have a toroidal shape. I also wonder what properties the 'hole' in the torus has. If it isn't a torus, then what shape is it?

**Tags:** black-hole, general-relativity, space-time
> **Comments:**
> **username_1**: Not really. See this related question on our sister site: https://physics.stackexchange.com/q/730094/123208  
> **username_2**: I'm a little confused by your question. I thought "ring-shaped" and "toroidal-shaped" were basically the same shape... https://en.wikipedia.org/wiki/Toroid  
> **username_0**: The singularity is like the circumference of a circle, infinitely thin, but curved into a circle  

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