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The motion of a planets orbit around a star, simulated by rolling a ball on a curved surface of plastic. The orange ball represents a star and is resting on a sheet of plastic that stretches under its weight. The curved sheet of plastic demonstrates the way a gravity curves space.
June 2nd, 2013
Viewed 751 Times - Last Visitor from Seoul, 11 - South Korea on 01/31/2015 at 12:31 AM
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