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As I understand it, Hawking radiation is the result of interactions that
take place in the ergosphere, a region outside the actual event horizon
but inside the stationary limit of a rotating black hole. Because a
rotating object drags spacetime around with it, there is a region in which
one cannot stand still, but can still escape the ultimate plunge.
I'm not sure I've got this quite right so I will simply offer it as bait
for David Bowman.
If I do manage to entice him and if I do have this
anything like correct, I wonder if he can answer another question which
just occurs to me: Can a *non*rotating black hole emit Hawking radiation?
... I think I
recall being taught that information cannot travel
from within the event horizon to outside of it.
What's going on here?