Quote:
Originally Posted by modest
Wavelength increases with expansion. See the first link in my last post.
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I've covered that: wavelength increase is due to recession velocity (which in turn is due to expansion).
Recession velocity redshift (increase in wavelength) has nothing to do with the ratio of the wavelength of a photon to the size of space.
The original point is this: that as space expands, and a photons wavelength stays the same, the photons wavelength becomes smaller in comparison to the "size" of space.
