Re: Stupid Astrophysics question

[Doug Pensinger]

Alberto Monteiro wrote:
> 
> Doug Pensinger wrote:
> >
> >OK, let me ask it this way:  What do we think is the shape of the universe?
> >Is it (roughly) an expanding sphere?  Or is it not describable in terms of
> >shape?
> >
> The correct answer is that the shape of the Universe can only be
> described as a four-dimensional object that is so distorted
> that it can't even fit into an Euclidean space of 4 dimensions.
> 
> Do you understand some other representations of 4D objects in
> our 3D space?

Such as?

What if you eliminated one dimension as you do in an engineering drawing?

Doug
(stupider and stupider, eh?)