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The copernican theory states that the sun is the center of the univerce.
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heliocentric system states that the earth turns on its axis. Nicolaus Copernics.
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Galileo made a teleoscope with about 8x more magnification and then made modles up to about 20x. On August 25, 1609 he demonstrated to Venetian lawmakers.
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Gravity is the state that the earth rotates the sun. Motion is the state that when something is is motion it will keep moving untill and equal and oposite reaction stops it. Isaac Newton
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Newtons comprehensive modle of the univerce is organized according to the law of univerceal gravition. Isaac Newton