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6nqpnw
6nqpnw is offline
#1
Aug3-11, 12:44 PM
P: 10
Can gravitational lensing also be explained by the refraction of light from a more distant object through a gradient of radiant heat and dense cool space?

Same difference? Or completely separate and unrelated?

If unrelated, how can this optical phenomenon be determined as a result of light passing through curved spacetime -vs- heat distortion? (other than Einstein said so)
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