Quote:
Originally Posted by Tim Thompson
As a description of why the OU appears to be expanding, this is not consistent with observation. The expansion of the universe is not derived from observations of the edge of the universe. Rather, it is derived from the observation of the consistent motions of galaxies that are clearly visible, and a lot closer than the edge
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Point of order Tim Thompson.
What is 'observed' is the redshift.
That is, photons of light have a longer wavelength on arrival than when these same photons set off.
Some people interpret this as 'motion' and thus expansion.
Motion of galaxies is not 'observed.'
Cheers,
Lyndon