Quote:
Originally Posted by JimJast
Here are the references and if you need more either use google or ask me again. You may use the Chandrasekhar dynamical friction formula presented there to figure it out for the Earth and all other planets. The refs to the expert on dynamical friction are here in a case you want to read his papers to establish his credibility.
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In that case, why did you even start this thread?
From Wiki:
Quote:
It is now known that the effect of dynamical friction on photons or other particles moving at relativistic speeds is negligible, since the magnitude of the drag is inversely proportional to the square of velocity. Cosmological redshift is conventionally understood to be a consequence of the metric expansion of space.
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Seems that your question is answered quite well.