Re: The size of the universe <= 14E+9 light years

On Sat, 29 Sep 2007 01:15:26 -0000, Friar Broccoli <EliasRK@xxxxxxxxx>
posted:

On Sep 27, 1:19 pm, Jack Dominey <l...@xxxxxx> wrote:
In <1190653524.104789.89...@xxxxxxxxxxxxxxxxxxxxxxxxxxx>, Ken Denny

<k...@xxxxxxxxxxxx> wrote:
Therefore no two points in the
universe can be more than 14E+9 light years apart.

Take a look athttp://en.wikipedia.org/wiki/Universe#Size
andhttp://en.wikipedia.org/wiki/Observable_universe#Misconceptions.

I was impressed by the following comment from the article:

"Those galaxies are now about 46 billion light-years from us, but at
the time the light was emitted, that matter was only about 40 million
light-years away from the matter that would eventually become the
Earth. See comoving coordinates."

If that is correct then the universe has been expanding at a rate
that is effectively well over 99% the speed of light. I must admit
to some skepticism.

I'm curious how you calculate a 'rate of expansion' from within the
thing that is expanding. Can you show me your calculations?
--
Don Cates ("he's a cunning rascal" - PN)

.

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