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 Kwara'ae constituency Central Kwara'ae constituency Central Kwara'ae is a parliamentary constituency electing one representative to the National Parliament of Solomon Islands. It had a registered electorate of 8,977 in 2006, and 9,955 in 2010. It is one of fourteen constituencies in Malaita Province. The constituency was established for the Fifth Parliament in 1993, and its first MP was Alfred Maetia. Fred Fono won the seat in 1997, and was twice re-elected, ultimately becoming deputy Prime Minister in 2007. He stood for a fourth term in 2010, but was unseated by political newcomer and independent candidate Jackson Fiulaua, in what was described as