Le Lay, Jordan - Science Assessment By awesomeguy123 Period: Jan 1, 1500 to Jan 1, 2000 Scientific Discoveries Mar 15, 1543 Nicolaus Copernicus concludes the theory that the earth rotates on its axis Mar 15, 1543 Copernicus discovers that the Earth and the other planets revolve around the Sun May 13, 1583 Galileo devised the law of the pendulum (Unknown Month) Nov 13, 1609 Galileo develops magnifying power on the telescope Jan 1, 1610 Galileo discovers the four moons of Jupiter Jan 13, 1610 Galileo discovers that the Milky Way is a dense collection of stars Jul 5, 1687 Newton set forth the law of Gravitation May 13, 1704 Newton published his fluxional method, calculus (Unknown Month) May 13, 1704 Newton published his work on Spectrums (Unknown Month) Sep 13, 1993 Galileo's teaching's were finally accepted into Roman Catholic Church In 1993, Pope John Paul II accepted Galileo's teachiings into the Roman Catholic Church.