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,
Central Township, Perry County, Missouri Central Township, Perry County, Missouri Central Township is one of the eight townships located in Perry County, Missouri, in the United States of America. Central Township is located in the central part of Perry County, and hence so named. The Geographic Names Information System (GNIS) lists five townships name "Central", including this one, in various counties of Missouri. The first European settlers in what is now Central Township arrived in 1800 and were Kentuckians who laid down farms around "The Barrens". They had called their home in Kentucky "The Barrens", a term used extensively to describe land which combines some