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Johannes Kepler and Planetary Motion

Johannes Kepler (1571-1630) was a German mathematician, astronomer and astrologer. A key figure in the 17th century scientific revolution, he is best known for his eponymous laws of planetary motion, codified by later astronomers, based on his works Astronomia nova, Harmonices Mundi, and Epitome of Copernican Astronomy. These works also provided one of the foundations for Isaac Newton's theory of universal gravitation.

During his career, Kepler was a mathematics teacher at a seminary school in Graz, Austria, where he became an associate of Prince Hans Ulrich von Eggenberg. Later he became an assistant to astronomer Tycho Brahe, and eventually the imperial mathematician to Emperor Rudolf II and his two successors Matthias and Ferdinand II. He was also a mathematics teacher in Linz, Austria, and an adviser to General Wallenstein. Additionally, he did fundamental work in the field of optics, invented an improved version of the refracting telescope (the Keplerian Telescope), and mentioned the telescopic discoveries of his contemporary Galileo Galilei. (from wikipedia.org)

Tycho Brahe, Johannes Kepler and Planetary Motion


Related Links
Johannes Kepler - wikipedia
Johannes Kepler (1571-1630) was a German mathematician, astronomer and astrologer. A key figure in the 17th century scientific revolution, he is best known for his eponymous laws of planetary motion.
Cosmos: A Personal Voyage - The Harmony of the Worlds
This episode tells how people's view on the universe has been changed, Johannes Kepler's life and his work.
The Mechanical Universe - Kepler's Three Laws
Kepler's Three Laws. The discovery of elliptical orbits helps describe the motion of heavenly bodies with unprecedented accuracy.

e-Books
Kepler
Author: Walter W. Bryant. Subject: Johannes Kepler (1571-1630). Publisher: London, Society for promoting Christian knowledge; New York, The Macmillan company. Book contributor: University of California Libraries.
The Martyrs of Science; or The Lives of Galileo, Tycho Brahe, and Kepler
Author: David Brewster, 1781-1868. Subject: Galileo Galilei, 1564-1642; Tycho Brahe, 1546-1601; Johannes Kepler, 1571-1630. Publisher: Harper & Brothers, New York. Book Contributor: University of California Libraries.
An Account of the Astronomical Discoveries of Kepler
Author: Robert Small, 1732-1808. Subject: Johannes Kepler (1571-1630); Astronomy. Publisher: London : Printed for J. Mawman. Book Contributor: Yale University, Cushing/Whitney Medical Library.
Harmonies of the World
By Johannes Kepler; Translated by Charles Glenn Wallis. Johannes Kepler published Harmonies of the World in 1619. This was the summation of his theories about celestial correspondences, ...
The Harmony of the World
Keplers Mind as seen through his Harmony of the World is here and ready to be rediscovered by the members of all future generations!