Re: Re: Re: Evidence: Open vs. Closed Universe

Anders Sandberg (
26 Nov 1997 12:30:13 +0100

"Brichero, Robert, HMR/GB" <> writes:

> 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.

Anders Sandberg                                      Towards Ascension!                  
GCS/M/S/O d++ -p+ c++++ !l u+ e++ m++ s+/+ n--- h+/* f+ g+ w++ t+ r+ !y