# Frame of reference of the photon? [duplicate]

In the frame of photon does time stop in the meaning that past future and present all happen together?

If we have something with multiple outcomes which is realized viewed from such frame? Are all happening together or just one is possible?

How the communication between two such frame s work meaning is there time delay for the information as $c$ is limited? If there is time delay does it mean that time does not stop?

My question does not concern matter at that speed rather how it looks viewed from the photon reference.

Thanks Alfred! I think I understand it now.

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duplicate of physics.stackexchange.com/q/29082/4552 –  Ben Crowell Jun 20 at 4:33
Nope. It is not.. –  Anonymous Jun 20 at 5:46
Possible duplicates: physics.stackexchange.com/q/16018/2451 and links therein. –  Qmechanic Jun 20 at 5:50
@Anonymous, there is no frame of reference for the photon because there is no frame of reference in which the photon is at rest. This is elementary. There is no meaningful way to talk about how the universe "looks" to a photon because that would require that a frame of reference in which a photon is at rest exists. But, there is no such frame of reference. –  Alfred Centauri Jun 20 at 13:23
Thanks.So there is no such frame, because it is assumed that c is same in all frames and a photon will move with c in its own frame. So photon could not exist at other speed. So it means that we could not know from existing theories how the photon sees the universe, so we can say the photon is "not observer".. –  Anonymous Jun 20 at 13:52
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