Introduction Kepler's New Astronomy On Proportion Recommended Books

Johannes Kepler's The New Astronomy (1609) launched the Scientific Revolution. The first astronomer to prove that the Sun lies at the center of the Solar System, Johannes Kepler (1571-1630) overturned 2,000 year-old ideas about planetary motion. His work motivated the development of calculus.  Experience Kepler's process of discovery yourself through this web site.