Sosigenes Lunar Crater Map
Sosigenes may refer to: People * Sosigenes (astronomer), the astronomer consulted by Julius Caesar for the design of the Julian calendar *Sosigenes the Peripatetic, a philosopher living at the end of the 2nd century and tutor of Alexander of Aphrodisias *Sosigenes (Stoic), an ancient Greek philosopher Other uses *Sosigenes (crater) Sosigenes is a lunar impact crater on the west edge of Mare Tranquillitatis. Its diameter is 17 km. It was named after ancient Greek astronomer Sosigenes of Alexandria. It lies to the east of the large walled plain Julius Caesar. The crater r ...

Sosigenes (astronomer)
Sosigenes ( grc-gre, Σωσιγένης) was an ancient astronomer. According to Pliny the Elder's '' Natural History'' 18.210–212, Julius Caesar consulted him while he was designing the Julian calendar. Biography Little is known about him apart from Pliny's '' Natural History''. Sosigenes appears in Book 18, 210-212: :... There were three main schools, the Chaldaean, the Egyptian, and the Greek; and to these a fourth was added in our country by Caesar during his dictatorship, who with the assistance of the learned astronomer Sosigenes (''Sosigene perito scientiae eius adhibito'') brought the separate years back into conformity with the course of the sun. Sosigenes is credited with work on the orbit of Mercury, which is described by Pliny in Book 2, chapter 6, of his ''Natural History'': :The star next to Venus is Mercury, by some called Apollo; it has a similar orbit, but is by no means similar in magnitude or power. It travels in a lower circle, with a revolution nine d ...
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Sosigenes The Peripatetic
Sosigenes the Peripatetic ( grc-gre, Σωσιγένης) was a philosopher living at the end of the 2nd century AD. He was the tutor of Alexander of Aphrodisias and wrote a work ''On Revolving Spheres'', from which some important extracts have been preserved in Simplicius of Cilicia, Simplicius's commentary on Aristotle's ''On the Heavens, De Caelo''. Work Sosigenes criticized both Aristotle and Eudoxus of Cnidus, Eudoxus for their imperfect theory of celestial spheres and also the use of Deferent and epicycle, epicycles, which he felt to be inconsistent with Aristotle's philosophical postulates. He pointed out that the planets varied markedly in brightness, and that solar eclipses are sometimes total eclipse, total and sometimes annular eclipse, annular, suggesting that the distances between the Sun, Moon and Earth were not the same at different eclipses. Sosigenes is perhaps called "the Peripatetic school, Peripatetic" only because of his connection with Alexander. Some ancient ...
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Sosigenes (Stoic)
Sosigenes ( grc, Σωσιγένης; fl. 100 BC) was an ancient Greek philosopher of the Stoicism, Stoic school. He was a student of Antipater of Tarsus. There is not much known about Sosigenes and his thought. The ''Lives and Opinions of Eminent Philosophers'' by Diogenes Laërtius in Book VII contained his biography, but that portion of the book has disappeared; only the mention of the name in the table of contents remains. According to Alexander of Aphrodisias, Sosigenes was influenced by Aristotle and modified stoic doctrines accordingly. References

{{DEFAULTSORT:Sosigenes Stoic philosophers 2nd-century BC philosophers 1st-century BC philosophers ...
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