I recently read a similar comment that helped me begin to grasp the expansion notion: Take a rubber band, put 2-3 marks on it, then stretch the rubber band. Your marks will all get further from one another . . . I can visualize this more easily in 2-space than with the 3-dimensional balloon.
stan On Jul 4, 2012, at 9:26 PM, John Francis wrote: > On Wed, Jul 04, 2012 at 04:59:52PM -0400, Paul Stenquist wrote: >> I would think that even if the universe is expanding in all directions (a >> theory that I believe is o disputed by some astrophysicists) the origin >> point remains singular. > > Nope. There's no single "origin point"; the expansion is uniform throughout > space. > > Perhaps it might help you to think about the surface of a balloon as it is > being inflated. > The surface is expanding uniformly everywhere, with no special central point. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
