Johannes Kepler (1571-1630) was one of the most admired astronomers who ever lived and a key figure in the scientific revolution. A defender of Copernicus's sun-centered universe, he famously discovered that planets move in ellipses, and defined the three laws of planetary motio…
The supernova of 1604 marks a major turning point in the cosmological crisis of the sixteenth and seventeenth centuries. Capturing the eyes and imagination of Europe, it ignited an explosion of ideas that forever changed the face of science. Variously interpreted as a comet or s…
"Johannes Kepler published Harmonies of the World in 1619. This was the summation of his theories about celestial correspondences, and ties together the ratios of the planetary orbits, musical theory, and the Platonic solids. Kepler's speculations are long discredited. However, …
"Focusing on the astronomer Johannes Kepler's 1604 treatise on optics, explores Kepler's radical break from scientific and epistemological traditions and shows how he posited new ways to view scientific truth and knowledge in the early modern period" (éditeur).
Valued today for its development of the third law of planetary motion, Harmonice mundi (1619) was intended by Kepler to expand on ancient efforts to discern a Creator's plan for the planetary system - an arrangement thought to be based on harmonic relationships. Challenging cri…