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A specific reference frame that describes its coordinates in a manner that does not depend on time and is isotropic.

1 vote
3 answers
923 views

From the photons perspective [duplicate]

Probably been answered but couldn't find the answer. From the perspective of a photon: - For the photon to travel from body A to body B would take 0 secs. - The universe would be one point in "some …
Lars B's user avatar
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