Geocentric model coelestium" ("On the Revolutions of the Heavenly Spheres"), which posited that the Earth and the other planets instead revolved around the Sun. The geocentric system was still held for many years afterwards, as at the time the Copernican system did not offer better predictions than the geocentric system, and it posed problems for both natural philosophy and scripture. The Copernican system was no more accurate than Ptolemy's system, because it still used circular orbits. This was not altered until Johannes Kepler postulated that they were elliptical (Kepler's first law of planetary motion). With the invention of the telescope in 1609,
The Places in Between The Places in Between "The Places in Between" is a travel narrative by British writer and Member of Parliament Rory Stewart, detailing his solo walk across north-central Afghanistan in 2002. Stewart arrives in Afghanistan in January 2002, beginning his journey in Herat and proceeding on foot to Kabul. He is initially accompanied by two armed guards, Qasim and Abdul Haq, at the insistence of Governor Yuzufi but travels without human company for most of his walk, accompanied only by his dog, Babur. On his journey, Stewart encounters many of Afghanistan’s most notable historical sites, including the Minaret of Jam, the