anonymous user


Who was Johannes Kepler?



Johannes Kepler was an astronomer who invented log books that he used as a tool for calculating planetary positions.

Laurie Mccarter

Johannes Kepler , 1571-1630, German astronomer. In 1601 he was court mathematician to Holy Roman Emperor Rudolf II.

Maricela Basel

Johannes Kepler discovered that the Earth & planets travel about the sun in elliptical orbits.

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