ExpErdMann: do you have any evidence whatsoever that any tired light scenario actually predicts time dilation? The reason that an expanding universe and classical doppler shift predict time dilation is because the sources are moving and thus have different relative velocities. Tired light claims that the sources are not moving, and thus there should be no time dilation.

Do you have any evidence to the contrary? Zwicky's tired light certainly does not predict time dilation.

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"For a successful technology, reality must take precedence over public relations, for nature cannot be fooled." -- Feynman, at the conclusion of his Challenger report