Is it possible that photons lose a small amount of energy over time to become redshifted instead of being redshifted because of an expanding universe?
118268
Does light lose energy in transit?
2253
If the universe is expanding, what is it expanding into?
112411
What happens when a photon reaches the "edge" of the universe?
135584
Was the singularity at Big Bang perfectly uniform and if so, why did the universe lose its uniformity?
124006
Redshift of merging black holes
64715
How is it possible that we see light from shortly after the big bang?
3103
How do we know the universe is expanding, and not that its contents are shrinking?
151221
Does a cooling object lose mass as it radiates?
110030
Superluminal expansion of the early universe how is this possible?
61729
If turning a perfectly monochromatic laser on for a finite time gives a frequency spread, where did the other frequency photons come from?
21069
What happens to photons after they hit objects?
143038
As light from a star spreads out and weakens, do gaps form between the photons?
19163
Why does the amount of energy transferred depend on distance rather than time?
26670
Explain how (or if) a box full of photons would weigh more due to massless photons
68027
Conservation of Energy vs Expansion of Space
58462
Impossibility of time travel due to energy conservation?
139947
Tired light red shift hypothesis