On Sun, Oct 26, 2014 Bruce Kellett <[email protected]> wrote:
>If there is more that a very small amount of dark energy, then a beam of > light can never get right round the universe (the universe does not > re-contract in that case > OK. > >it expands for ever even though closed). So you can never see the back of > your own head. > Obviously if it expands forever you could never see the back of your head, and our universe is not only expanding its accelerating; but how could you call such a universe closed? John K Clark -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
