Hans Blaster
Rocket surgeon
- Mar 11, 2017
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You've never shown that cosmological redshift is exactly the same over the whole spectrum to start with. Show us a study that produced completely consistent redshift on every wavelength from gamma rays all the way down to radio waves from high Z objects. Scattering and absorption in space precludes you from ever doing so.
It's only 3 orders of magnitude in energy/frequency/wavelength (either will do), from optical to X-ray, but I found this reference a while back and have been hanging onto it:
Measuring redshift through X-ray spectroscopy of galaxy clusters:...
Figure 4 shows the tight correlation between optical and x-ray redshifts.
Similar examples may exist for other wavebands.
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