HorseHair HorseHair 2 2 silver badges 12 12 bronze badges. Gravity "moves" at the speed of light. I am asking if, should the sun move from its position, would everyone on earth die due to the gravity changes at the exact same time that the light stops coming, so that we will never know that it went out. Show 2 more comments. Active Oldest Votes. Improve this answer. Gravity moves at the speed of light, right?
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