Biography johannes kepler planetary orbit

Kepler was a mathematics teacher at a seminary school in Grazwhere he became an associate of Prince Hans Ulrich von Eggenberg. He also taught mathematics in Linzand was an adviser to General Wallenstein.

Biography johannes kepler planetary orbit diagram

Additionally, he did fundamental work in the field of opticsbeing named the father of modern optics, [ 12 ] in particular for his Astronomiae pars optica. He also invented an improved version of the refracting telescopethe Keplerian telescope, which became the foundation of the modern refracting telescope, [ 13 ] while also improving on the telescope design by Galileo Galilei[ 14 ] who mentioned Kepler's discoveries in his work.

Kepler lived in an era when there was no clear distinction between astronomy and astrology[ 15 ] but there was a strong division between astronomy a branch of mathematics within the liberal arts and physics a branch of natural philosophy.

His grandfather, Sebald Kepler, had been Lord Mayor of the city.

Biography johannes kepler planetary orbit

By the time Johannes was born, the Kepler family fortune was in decline.