Mr Skeptic Posted September 15, 2008 Share Posted September 15, 2008 well, the wavelength can't get any bigger than the universe so i guess that imposes a physical limit on it. Now there is an interesting thought, possibly worthy of its own thread. What happens when your photon is large enough that the expansion of the universe would "split" it in pieces? Or would it be impossible to get a photon with less than the Plank energy, giving it a maximum wavelength? But then what happens when you red-shift that photon? Link to comment Share on other sites More sharing options...
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