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 Europe enlightened German humanistic culture of the 19th century. German-speaking Jews from turn of the 20th century Vienna, Budapest and Prague became representatives of what many consider to be Central European culture at its best, though the Nazi version of "Mitteleuropa" destroyed this kind of culture instead. However, the term "Mitteleuropa" is now widely used again in German education and media without negative meaning, especially since the end of communism. In fact, many people from the new states of Germany do not identify themselves as being part of Western Europe and therefore prefer the term "Mitteleuropa". Following World War II, large