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Click here for more information 6 words: Rome, earth, middle, solar system, model
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Click here for more information 6 words: Astronomer, sun, middle, universe, mathematician, doctor
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Click for more information 6 words: Thought moon orbited sun, sextant, island
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Click here for more information 6 words: Pisa experiment, four moons around jupiter
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Click here for more information 6 words: Elliptical orbit, earth revolves around sun
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Click for more information 6 words: Laws of motion, F=MA (Force= Mass*Acceleration), telescope