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Apr 3, 2024 · Ptolemy's theory of the solar system. Ptolemy (born c. 100 ce —died c. 170 ce) was an Egyptian astronomer, mathematician, and geographer of Greek descent who flourished in Alexandria during the 2nd century ce. In several fields his writings represent the culminating achievement of Greco-Roman science, particularly his geocentric (Earth ...
Ptolemy I Soter ( / ˈtɒləmi /; Greek: Πτολεμαῖος Σωτήρ, Ptolemaîos Sōtḗr "Ptolemy the Savior "; c. 367 BC – January 282 BC) was a Macedonian Greek [2] general, historian, and successor of Alexander the Great who went on to found the Ptolemaic Kingdom centered on Egypt and led by his progeny from 305 BC – 30 BC.
Sep 7, 2023 · Claudius Ptolemy (c. 100 to c. 170 CE) was an Alexandrian mathematician, astronomer, and geographer. His works survived antiquity and the Middle Ages intact, and his theories, particularly on a geocentric model of the universe with planets following orbits within orbits, were hugely influential until they were replaced by the heliocentric model ...
Feb 3, 2012 · Ptolemy's name first appears during Alexander's defeat of Memnon, the Greek mercenary general in the service of Persia, at Halicarnassus. Supposedly, Alexander left Ptolemy with a force of 3000 men to finish subjugating the city while he moved on to Gordium. Ptolemy next appears at the battles of Issus and Gaugamela. At Issus he served in the ...
Claudius Ptolemy was a 2nd century Greek mathematician, astronomer and geographer famous for his controversial geocentric theory of the universe, which would form the basis of our understanding of ...
Ptolemy , Latin Claudius Ptolemaeus, (born c. ad 100—died c. ad 170), Greek astronomer and mathematician. He worked principally in Alexandria. It is often difficult to determine which findings in his great astronomical book, the Almagest, are Ptolemy’s and which are Hipparchus ’s. The Sun, Moon, planets, and stars, he believed, were ...
Claudius Ptolemy was born in about the year 100 AD, almost certainly in Egypt. He lived in the metropolis of Alexandria on Egypt’s Mediterranean coast. Alexandria was built by the Ancient Greeks, but later conquered by the Romans. Claudius is a Roman name and Claudius Ptolemy was a Roman citizen. Ptolemy, however, is a Greek name and Ptolemy ...
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