Christendom. However, Aristarchus, not awed by this apparent unanimity, decided to reconsider the entire question afresh. He was first attracted to the mathematical approach of the Pythagoreans, who were first to conceive the spherical shape of the earth and that the universe was ‘a perfect order’ (cosmos), which was in perfect harmony. This way of thinking was further developed by Philolaus the Pythagorean in the 5th century BC, who developed a theory that at the center of the cosmos was ‘Fire’ and that the Earth, Sun and all other heavenly bodies go around that Fire.
Fig. 52. Statue of Aristarchus. Samos
With the rise of the Alexandrian school of science, applying more strict scientific methods, Aristarchus of Samos early in the 3rd century BC, was able to develop further a revolutionary theory contradicting the prevailing concept that the earth was stable and fixed at the center of the universe (commonly known as the geocentric theory). In a book of his, now lost, Aristarchus argued that the