Re: Red shift and homogeneity

Jim Greenfield wrote:
> 
> [EMAIL PROTECTED] (Jeff Root) wrote in message news:<[EMAIL PROTECTED]>...
> > Jim Greenfield replied to George Dishman:


[snip]


> Yes?, but see below- endless lines expanding? uh uh

Yes. It just means that the distance between any two points on the line
increases. It makes no sense to say that the lenght of the line changes
because of this - the line had no defined length before, and it had to
defined length afterwards, because "infinite" is not a number.


> >
> >   -- Jeff, in Minneapolis
> 
> You have gone to some trouble here, and I appreciate your input, but
> in order to not repeat myself, I will try to reply to George in detail
> (but of course, still feel free)
> 
> Tie your rubber band to my nose. Start to stretch it, and if I could
> maintain a view of the whole, your diagram (and Georges) stacks up.
> But I can only see F (end of band) as it was BEFORE stretching. At
> that time it was travelling at 3000km/sec (distant red shift). You are
> taking the view that I can still see ALL OF the band at once, now.

A
s George already mentioned: homogenity doesn't refer what we see
directly. It refers to what *is* out there - and this can be determined
from our observations.


BTW, did you miss my last three posts, too?


Bye,
Bjoern