Kepler orbit led to Johannes Kepler working on his celestial mechanics. He later became known as the father of calculus. In 1601, Johannes Kepler acquired the extensive, meticulous observations of the planets made by Tycho Brahe. Kepler would spend the next five years trying to fit the observations of the planet Mars to various curves. In 1609, Kepler published the first two of his three laws of planetary motion. The first law states: More generally, the path of an object undergoing Keplerian motion may also follow a parabola or a hyperbola, which, along with ellipses, belong to a group of curves known
Siege of Rheinberg (1601) Siege of Rheinberg (1601) The Siege of Rheinberg also known as the Rhine campaign of 1601 was the siege of the towns of Rheinberg (Old Dutch: Rijnberk) and Meurs from 12 June to 2 August 1601 during the Eighty Years' War and the Anglo–Spanish War. Maurice of Orange with an Anglo-Dutch army besieged the Spanish held cities in part to distract them before their impending siege at Ostend. Rheinberg, an important city, eventually capitulated on 28 July after a Spanish relief force under Herman van den Bergh failed to relieve the city. The towns of Meurs surrendered soon after. In