Frankly, I never really understood the fourth dimension
into which the Universe is curved because of the mass
it contains. I'm guessing it's the time dimension,
but it's never been clear to me what that would mean
for it to be closed...except that at some point the
Universe would again collapse (maybe?)
It's easy to picture it as a
spatial dimension, but time... *shrug* too weird.
Guess I'll never be a topologist!
> In a message dated 10/18/98 3:18:20 AM Eastern
> email@example.com writes:
> > to boot. Maybe we are all inside the event
horizon of the universe and that
> > the
> > outer boundaries will never reveal themselves to
us because thay are on the
> > otherside of the horizon, with no way for us to
> > Just a thought!!!!!
> I have often had this same thought. The universe is
seems to be massive enough
> to be classified as a black hole. I bet there are
other universes, inside
> their own event horizons. Just who or what might be
outside these event
> horizons? Does anybody have the clout to ask Steven
Hawkings if the universe
> is itself a black hole?
> John Marcus.
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