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Feb 19, 1473
Nicolaus Copernicous was born
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Mar 2, 1532
Copernicous completes the revolition of the celestrial
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galileo oublished his letter about sunspots
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Galileo published converning the two chief world system
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issac Newton born
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newton came up with gravity, calculus, and the 3 laws
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newton dies
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Edwin Hubble is born
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hubbles laws
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Hubble dies