Note 4 — Chapter I · THE PYTHAGOREAN ATOMISTS
Reading edition
Thus laying the foundation for the true heliocentric theory, introduced by Aristarchus of Samos about 280 B. C.—a theory accepted and developed by Seleucus of Seleucia in Babylonia, but rejected in the following century by the greatest of the Greek astronomers, Hipparchus of Nicæa, discoverer of the “precession of the equinoxes,” and author of a catalogue of 1000 fixed stars.