Some Consequences of E = mc² -video/printing

If the photon rest ( or proper ) mass_o = 0, how come light is bent in a gravity field?

Newton's Theory of Gravity requires that there be at least two or more extensible and ponderous masses at a given distance ( Einstein: spooky 'action at a distance' ) from each other for a force of attraction to exist between them. The answer lies in Einstein's General Theory of Relativity which differs from Newton's concept of immutable space and time.

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