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A question here for the physicists among us:
There is the question which asks: If you drop a bowling ball and a feather on the moon (meaning a perfect vacuum), which hits the ground first? The obvious answer is that they will both hit the ground at the same time because there is no air resistance and the acceleration due to gravity will affect them both the same way.
However, I thought that I had heard that in fact, due to some aspect of Relativity that I don't understand, the feather would actually hit the ground fractionally before the heavier object. Is this true?