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He set up a model of the solar system in which the sun, stars, and other planets revolved around Earth
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He proposed a model of the solar system that involved the Earth revolving around the sun
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They determined that planets traveled around the sun not in circles but in ellipses
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He calculated three laws describing the motion of forces between objects, known today as Newton's laws
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He became one of the most famous scientists ever after proposing a new way of looking at the universe that went beyond current understanding