Johannes Kepler, German astronomer who discovered three major laws of planetary motion. His discoveries turned Nicolaus Copernicus’s Sun-centered system into a dynamic universe, with the Sun actively pushing the planets around in noncircular orbits. Lea
Johannes Kepler - Astronomy, Laws, Heliocentrism: The ideas that Kepler would pursue for the rest of his life were already present in his first work, Mysterium cosmographicum (1596; “Cosmographic Mystery”). Kepler had become a professor of mathematics
Johannes Kepler was an astronomer and mathematician who discovered that planets and other objects travel in elliptical orbits around the sun, which led to the three laws of planetary motion. His achievements include important work in optics and math. ...
Sphaera mundi, seu, Cosmographia: demonstratiua, ac facili methodo tradita: in qua totius mundi fabrica, vna cum nouis, Tychonis, Kepleri, Galilaei, aliorumq[ue] astronomorum adinuentis continetur: accessere I., Breuis introductio ad geographiam, II., Apparatus ad mathematicarum studium, ...