A hypothesis once used to explain the Hubble relation is the
“tired light hypothesis.”
The tired light hypothesis states that the universe is not
expanding, but that photons
simply lose energy as they move through space (by some unexplained
means), with
the energy loss per unit distance being given by the law
A Hypothesis Once Used To Explain The Hubble Relation Is The Tired Light Hypothesis The Tired Light Hypothesis States 1 (979 Bytes) Viewed 51 times
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