http://en.wikipedia.org/wiki/Metric_expansion_of_space:
"Because of the changing rate of expansion, it is also possible for a distance to exceed the value calculated by multiplying the speed of light by the age of the universe. These details are a frequent source of confusion among amateurs and even professional physicists." -- rec -- On Thu, Oct 24, 2013 at 10:08 PM, Robert J. Cordingley < [email protected]> wrote: > Regardless of the poetic 'outer edges' is it possible what might be meant > is in the context of a hyperspherical universe where the radius is time and > is 13.5 by? The center being when the big bang occurred. Then the > furthest object would be diametrically opposite and hypercircumferentially > at 13.5*pi bly or 42.4 bly away? So in the 'now' being at 30bly away is > chicken feed. > > Robert C. > > > On 10/24/13 9:20 PM, Roger Critchlow wrote: > > Where is "the outer edge of the Universe" and what sort of observation > would locate something there? All that the original report in Nature > established was redshift (7.51), age (700 Myr after the Big Bang), and a > surprising rate of star formation (330 solar masses / year). > > -- rec -- > > > > > > From the BBC at >> http://www.bbc.co.uk/news/science-environment-24637890 >> > > > (today) >> > > > >> > > > /Because it takes light so long to travel from the outer edge of the >> > > > Universe to us, the galaxy appears as it was 13.1 billion years ago >> (its >> > > > distance from Earth of 30 billion light-years is because the >> Universe is >> > > > expanding)./ >> > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com > > > > ============================================================ > FRIAM Applied Complexity Group listserv > Meets Fridays 9a-11:30 at cafe at St. John's College > to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com >
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