this post was submitted on 24 Jan 2025
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Science Memes

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submitted 1 week ago by [email protected] to c/[email protected]
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[–] [email protected] 8 points 1 week ago (7 children)

*in vacuo

[–] [email protected] 12 points 1 week ago (3 children)

Yes, but light always travels at the speed of light, regardless of its speed. It travels at c in a vacuum.

[–] [email protected] 10 points 1 week ago (1 children)

Light is never late, nor is it early, it arrives precisely when it means to.

[–] wolframhydroxide 2 points 1 week ago* (last edited 1 week ago)

Since an observer traveling through space at the speed of light experiences no time from the beginning of their journey until they decelerate (since their 4-velocity vector has non-zero values only in the 3 dimensions of space), photons don't just arrive precisely when they mean to, from the moment they are emitted, they have already arrived.

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