Tag Archives: Scientific revolution

today’s birthday: Nicolaus Copernicus (1473)


Nicolaus Copernicus (1473)

Copernicus was a church canon, physician, and economist, but his most important work was in the field of astronomy. He developed the heliocentric theory of the universe that placed the Sun, not the Earth, at the center of our solar system and helped launch a scientific revolution. Though Copernicus conceived his revolutionary model of planetary motion by 1530, his treatise on the subject did not see print until he was on his deathbed in 1543. What heliocentric hypotheses preceded Copernicus’s? More… Discuss

today’s birthday: Johannes Kepler (1571)


Johannes Kepler (1571)

Described by famed astronomer Carl Sagan as “the first astrophysicist and the last scientific astrologer,” Johannes Kepler was a German astronomer, mathematician, and astrologer. A key figure in the scientific revolution, Kepler derived three famous laws of planetary motion, which, among other things, established that the planets travel around the Sun in elliptical rather than circular orbits. When Kepler was six, his mother, who was later tried for witchcraft, took him to see what phenomenon? More… Discuss