> I think you've got the wrong end of the stick. An open universe is one
> which keeps expanding indefinitely, whereas a closed one is one which
> will expand to a certain point, and then begin to contract again.
>
> Or is it me whose wrong? Some confusion here :-)
Actually, both is equivalent (at least in the simpler cosmological
models; I'm not sure this holds for more complex models). An open
universe is spatially infinite and will expand infinitely, a closed
universe is finite and will contract to a point after a certain time.
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