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Eudoxus, son of Aeschines, was born and died in Cnidus (also transliterated Knidos), a city on the southwest coast of Anatolia. [3] The years of Eudoxus' birth and death are not fully known but Diogenes Laërtius gave several biographical details, mentioned that Apollodorus said he reached his acme in the 103rd Olympiad (368– 365 BC), and claimed he died in his 53rd year.
Callippus was born at Cyzicus, and studied under Eudoxus of Cnidus at the Academy of Plato. He also worked with Aristotle at the Lyceum, which means that he was active in Athens prior to Aristotle's death in 322 BC. He observed the movements of the planets and attempted to use Eudoxus' scheme of connected spheres to account for their movements.
Animation depicting Eudoxus' model of retrograde planetary motion. The two innermost homocentric spheres of his model are represented as rings here, each turning with the same period but in opposite directions, moving the planet along a figure-eight, or hippopede. Eudoxus of Cnidus was the first astronomer to develop the concept of concentric ...
Eudemus was born on the isle of Rhodes, but spent a large part of his life in Athens, where he studied philosophy at Aristotle's Peripatetic School.Eudemus's collaboration with Aristotle was long-lasting and close, and he was generally considered to be one of Aristotle's most brilliant pupils: he and Theophrastus of Lesbos were regularly called not Aristotle's "disciples", but his "companions ...
Aratus of Soli. Aratus (/ ə ˈ r eɪ t ə s /; Ancient Greek: Ἄρατος ὁ Σολεύς; c. 315/310 – 240 BC) was a Greek didactic poet.His major extant work is his hexameter poem Phenomena (Ancient Greek: Φαινόμενα, Phainómena, "Appearances"; Latin: Phaenomena), the first half of which is a verse setting of a lost work of the same name by Eudoxus of Cnidus.
In Greek antiquity the ideas of celestial spheres and rings first appeared in the cosmology of Anaximander in the early 6th century BC. [7] In his cosmology both the Sun and Moon are circular open vents in tubular rings of fire enclosed in tubes of condensed air; these rings constitute the rims of rotating chariot-like wheels pivoting on the Earth at their centre.
In key places, Manilius also makes use of non-Stoics like Eudoxus of Cnidus and Cicero. [109] Given these factors, MacGregor concludes that Manilius should be classified as an idealistic Pythagorean or a Platonist rather than a Stoic.
Eudoxus may refer to: Eudoxus of Cnidus (c. 395–390 BC – c. 342–337 BC), Greek astronomer and mathematician, student of Plato Eudoxus of Cyzicus ( fl. c. 130 BC), Greek navigator who explored the Arabian Sea for Ptolemy VIII of Egypt