Greek astronomy

Greek astronomy is the astronomy of those who wrote in the Greek language in classical antiquity. It is understood to include the ancient Greek, Hellenistic, Greco-Roman, and Late Antiquity eras. It is not limited geographically to Greece or to ethnic Greeks, as the Greek language had become the language of scholarship throughout the Hellenistic world following the conquests of Alexander. This phase of Greek astronomy is also known as Hellenistic astronomy, while the pre-Hellenistic phase is known as Classical Greek astronomy. During the Hellenistic and Roman periods, much of the Greek and non-Greek astronomers working in the Greek tradition studied at the Musaeum and the Library of Alexandria in Ptolemaic Egypt. (The reconstruction of the Musaeum, shown right, was designed for Carl Sagan's television show in 1980.) The development of astronomy by the Greek and Hellenistic astronomers is considered by historians to be a major phase in the history of astronomy in Western culture. It depended heavily on Babylonian astronomy; in turn, it influenced Islamic astronomy and Western European astronomy.
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