If light doesn’t experience time, how does it have a limited speed?
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As far as we understand it, light does not experience time. To light, things happen instantly. This obviously cannot be the case in the real world. What’s really happening is that c is the speed of causality, i.e. the speed at which things happen. It more or less exists because if things happened instantly it would all be over. So if you replaced the sun with a pool ball it would take 8 minutes for the effects to be felt.
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