On Fri, Jan 31, 2020 at 5:59 AM Lawrence Crowell <
[email protected]> wrote:
> The time dilation associated with red shift of radiation is uniform out
> to a certain distance of around 46 billion light years. It is fairly
> uniform to within 10^{-5} in isotropy.
And if you have time dilation you've got to also have length contraction if
the measured speed of light is to be the same for all observers.
John K Clark
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