- #1
Bjarne
- 344
- 0
Light (photons) that are reaching Earth after traveling billion of years, - the EM-spectre have become redshift.
This means that photons must be losing energy.
But energy can’t be lost, - so where is that “lost of photon-energy”?
This means that photons must be losing energy.
But energy can’t be lost, - so where is that “lost of photon-energy”?