Tuesday, 27 March 2018

general relativity - If a photon has no mass, how can it be attracted by the Sun?


I read that the photon doesn't have mass, but my teacher says that the photon has mass because the sun can attract it (like in the experiments to prove the theory of relativity).


I think that there is another reason to explain that. How can I explain that the photon doesn't have mass and the sun attracts photons?




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