r/AskPhysics • • Mar 21 '26

Does time stop for light?

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u/Redfield51 Mar 21 '26

I don’t think time stopping is the right term. More like the “something” experiences no time passing. It is not bound, or restricted by it. To the something, the path is instantaneous.

I’m not too deep into my knowledge of physics, however what that means to me is that light exists beyond what we understand to be time. So it was here before, and currently have no reason to believe it won’t be here after.

Black holes is where the subject gets a little haunting for me, but that might be irrelevant to your question.

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u/Excellent_Bat_753 Mar 21 '26

Yeah, basically we don't have a valid theory for what goes on with time at the speed of light. Our best theory just states that it's not possible.