If light doesn’t experience time, how does it have a limited speed?
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Because everything moves through spacetime at the speed of light and photons are a bit of a special case. Right now sitting there reading this, you’re moving at the speed of light. It’s just all in the time direction, so instead of perceiving it as motion in meters per second, you perceive it as moving through time at one second per second. For a photon experiencing no time, it must have all of it’s motion in space and travels at the speed of light.
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