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Haha knew I'd asked that to someone once. Clearly learning from this thread.

This may be a dumb question as I know nothing on this subject whatsoever. But is there any evidence to suggest our universe is not the inside of a black hole. I mean the big bang sounds like a star...

Are we inside a black hole?
This seems to me to be the most obvious explanation of our universe.
Is there any evidence to suggest we aren't?