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Gravity is not Free

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Revision as of 06:52, 9 October 2018 by BobdeHilster (talk | contribs) (→Gravity is not Free)

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Motion is not Free

No matter what is moving, something gets used when causing the motion. It takes gas to move a car; it takes rocket fuel to move a rocket; and it takes calories to lift your coffee cup. So how is it that gravity can move galaxies all over the universe and not use once ounce of anything?

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