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Inventor, astronomer, geometric, treaties, creator, writer
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Heliocentric, creator, theories, initiator, Revolution, controversial
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colorful, supernova, developer, believer, mathematician, nose
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herosy, heliocentric, telescope, compass, venus, moon, motion, dialogue
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circular, three laws, gravity, elliptical, heliocentric
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Motion, Calculus, Philosophy, Telescope, Gravity, Refracting
