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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.
The cosmological model of concentric (or homocentric) spheres, developed by Eudoxus, Callippus, and Aristotle, employed celestial spheres all centered on the Earth. [1] [2] In this respect, it differed from the epicyclic and eccentric models with multiple centers, which were used by Ptolemy and other mathematical astronomers until the time of Copernicus.
Eudoxus is a prominent lunar impact crater that lies to the east of the northern tip of the Montes Caucasus range. It is named after the Greek astronomer Eudoxus of Cnidus . [ 1 ] It is located to the south of the prominent crater Aristoteles in the northern regions of the visible Moon .
The celestial spheres, or celestial orbs, were the fundamental entities of the cosmological models developed by Plato, Eudoxus, Aristotle, Ptolemy, Copernicus, and others. In these celestial models, the apparent motions of the fixed stars and planets are accounted for by treating them as embedded in rotating spheres made of an aetherial ...
Location of Marion County in Indiana. This is a list of the National Register of Historic Places listings in Marion County, Indiana. This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Marion County, Indiana, United States. Latitude and longitude coordinates are provided for many ...
Eudoxus of Cyzicus (/ ˈ juː d ə k s ə s / YOO-dək-səs; Greek: Εὔδοξος ὁ Κυζικηνός, romanized: Eúdoxos ho Kyzikēnós; fl. c. 130 BC) was a Greek navigator who explored the Arabian Sea for Ptolemy VIII, king of the Hellenistic Ptolemaic dynasty in Egypt.
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
According to Eudoxus, there were only 27 spheres in the heavens, while there are 55 spheres in Aristotle's model. Eudoxus attempted to construct his model mathematically from a treatise known as On Speeds (Ancient Greek: Περί Ταχών) and asserted the shape of the hippopede or lemniscate was associated with planetary retrogression ...