1,799,884,800,000 f/f give or take, in a vacuum.
Robert C
On 10/25/13 11:37 AM, Steve Smith wrote:
In the spirit of "will it blend?" and "how much is a buttload?" I
have to ask, what is the speed of light in "furlongs per fortnight?"
- Steve
So it sounds like during the expansion phase a lightyear was still a
lightyear but growing bigger? If you were there how would you tell?
My platinum standard meter bar is now a longer but still standard
meter bar? Has time dilated as well? If so what does the age of
13.5by mean? In what dimensions could you measure these changes?
[Confusion may be an understatement.]
Robert C
On 10/24/13 10:12 PM, Roger Critchlow wrote:
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] <mailto:[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)./
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