Photons and determinism, part 2

[bennyboy]

I don't get it. As has been pointed out several times, gravity does deflect the path a photon. It has been observed. I believe that was the first test of general relativity. A star was observed close to the sun during a total eclipse and its apparent position was indeed shifted by the sun's gravity well.

As I understand the OP now, the question would then be whether the way in which matter/spacetime deflects the photon isn't also determined from the start because the proper time of the photon is zero.

Yeah, that's the idea.

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Two problems, the photon reference frame in an invalid frame and the number of possible interactions have to be equal independent of the frame.

You say it's invalid because it breaks the math. But that's only when you are trying to "boost" our reference frame to that of something moving at the speed of light, isn't it? But I don't have a problem with that, because the fact that the math is broken is an indicator that something tricky is up with causality.

Your also making another fallacy where your assuming that because a photon hit your eye it was destined to hit your eye. There are countless photons that are on a trajectory toward your eye right now, so why are you not blinded by them? Answer.

That's not an assumption, that's my conclusion: since the photon has hit my eye, and since in its frame time does not pass, it is not subject to any possible alterations, even from our point of view, and even though wee see the photon to have "travelled" for a thousand light years.