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Feb 19, 1473
coppernicus was born
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Mar 3, 1541
Coppernicus published a short austronomical manuscript
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May 24, 1543
Cappernicus died
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Galileo Published his letters about sunspots based on obsevations he made
Based on his pbsevations of the dark spotts on the sun that are caused by intense magnetic activities -
Newton was born
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Published a book about mathematical principles of natural philosophy
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Newton died
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Hubble was born
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Hubbles law 1929
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Hubble died