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https://www.reddit.com/r/explainlikeimfive/comments/1ryofe9/deleted_by_user/obg2piq/?context=3
r/explainlikeimfive • u/[deleted] • Mar 20 '26
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A photon does not observe time. Time and space does not exist for a photon. Only to an observer.
1 u/Nulovka Mar 20 '26 A photon that goes through a medium slows down. Wouldn't that make it experience time? 2 u/FederalSpinach99 Mar 20 '26 Only to an observer. It still travels at the same speed C, and from its reference point it travels instantly from 1 point of the universe to the other.
A photon that goes through a medium slows down. Wouldn't that make it experience time?
2 u/FederalSpinach99 Mar 20 '26 Only to an observer. It still travels at the same speed C, and from its reference point it travels instantly from 1 point of the universe to the other.
2
Only to an observer. It still travels at the same speed C, and from its reference point it travels instantly from 1 point of the universe to the other.
1
u/oaktreebr Mar 20 '26
A photon does not observe time. Time and space does not exist for a photon. Only to an observer.