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Lu, Meishu; Su, Jun; Wang, Weiguo; Lu, Jianlong – Physics Education, 2017
For this article, we use a 3D printer to print a surface similar to universal gravitation for demonstrating and investigating Kepler's laws of planetary motion describing the motion of a small ball on the surface. This novel experimental method allows Kepler's laws of planetary motion to be visualized and will contribute to improving the…
Descriptors: Science Instruction, Scientific Concepts, Astronomy, Physics