Photons and reference

This may sound a stupid question but I can't get an answer.

What is the speed that a photon measures itself in its own reference?

Every book says that the speed of a photon in an inertial frame of
reference is always c. So does the photon measures itself c or is this
the only exception where the measured speed of a photon is zero?

Thanks for any explanation,

Bruno

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Relevant Pages

  • Re: velocity of light in the Lorentz equations
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