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, 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
"Astronomia nova", which includes Kepler's first and second law of planetary motion, formed the essence of his work. In it he was the first to present a focal point equation for conic section. In 1618 Johannes Kepler formed his third law of planetary motion, in which he discovered the in...