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Johannes Kepler

On This Day: Johannes Kepler

On this day in 1630, the German mathematician and astronomer Johannes Kepler died in Regensburg, Bavaria. He was, at one point, assistant to the great Danish astronomer, Tycho Brahe, and later served as imperial mathematician to three Holy Roman Emperors. He is held to be one of the great astronomers, and his laws of planetary […]

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