If the photons, particles which “ride along ” on light waves, are massless, how can gravity deflect the path of light?
And they do. Light from distant Stars seems to be bent, when it travels near stars with strong gravity fields.
But it’s not that the gravity deflects the light beam by attracting the photos off their course.
It’s that, the star’s strong gravity warps or bends the space -time around it and the light simply follows the curvature.
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