What’s at the bottom of a black hole?

Question: What's at the bottom of a black hole?
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Asked by Ten3ka to Andy, Chris, Harriet, Jess, Nikki on 16 Mar 2016.
- Christopher Blanford answered on 16 Mar 2016:
  
  Hi Ten3ka
  
  I didn’t know if I’d hear from you again. Nice to see you have more questions.
  
  The question you ask is tricky, because it’s hard to know if it’s really science. Some people think that it’s not science if you can’t test it. We can’t just pop to the bottom of a black hole (snigger*), check, then come back. (And, yeah, I did see Interstellar.)
  
  We know there’s lots of mass. Where it gets complicated is whether it’s spinning. Some physicists think that this can create a stable wormhole, connecting two parts of the universe (or this universe to another). Kip Thorne, the physicist who was the consultant for Interstellar, researches wormholes, so he tried to keep the science plausible. Hard to know whether you could really survive going into one, though.
  
  It’s a cool area of science that requires a lot of imagination and a lot of math. And seems to generate some wicked FX.
  
  Chris
  
  * That’s the 10 year old in me.
- Harriet Reid answered on 16 Mar 2016:
  
  Hi Ten3ka,
  I have no idea, but I think I’m with Chris, I don’t think it’s really science as we can’t (probably ever) test our ideas! Its where physics meets philosophy….
- andy chapman answered on 17 Mar 2016:
  
  Yeah I agree with Chris here…maybe we can never know this. It is hard to say if ether is a ‘bottom’ at all.

Question: What's at the bottom of a black hole?

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