Re: Most Distant Galaxy - What's wrong with this statement?

Posted by Robert J. Cordingley on Oct 25, 2013; 6:02pm
URL: http://friam.383.s1.nabble.com/Most-Distant-Galaxy-What-s-wrong-with-this-statement-tp7584094p7584109.html

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 <[hidden email]> 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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