Geocentric model knew about Tusi's work or that of the Maragha school. Not all Greeks agreed with the geocentric model. The Pythagorean system has already been mentioned; some Pythagoreans believed the Earth to be one of several planets going around a central fire. Hicetas and Ecphantus, two Pythagoreans of the 5th century BC, and Heraclides Ponticus in the 4th century BC, believed that the Earth rotated on its axis but remained at the center of the universe. Such a system still qualifies as geocentric. It was revived in the Middle Ages by Jean Buridan. Heraclides Ponticus was once thought to have proposed
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