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Claudius Ptolemaeus. Born: c. 100 ce. Died: c. 170 ce. Notable Works: “Almagest” “Guide to Geography” “Hypotheseis ton planomenon” “Optica” Subjects Of Study: Ptolemaic system. calendar. light. projection. refraction. Top Questions. What is Ptolemy best known for? How did Ptolemy impact the world? What were Ptolemy’s achievements?
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...
Learn about Claudius Ptolemy, a Greek astronomer who developed the geocentric theory of the universe and the world map with coordinates. Find out why some historians accuse him of fraud and others defend his contributions.
Learn about Claudius Ptolemy, the ancient astronomer who wrote the Almagest, a comprehensive textbook and star catalogue. Discover his cosmology, trigonometry, planet model, and legacy in astronomy.
Originally written by Claudius Ptolemy in Greek at Alexandria around 150 AD, the work was a revision of a now-lost atlas by Marinus of Tyre using additional Roman and Persian gazetteers and new principles.
Claudius Ptolemy. Quick Info. Born. about AD 85. Egypt. Died. about AD 165. Alexandria, Egypt. Summary. Ptolemy was the most influential of Greek astronomers and geographers of his time. He propounded the geocentric theory of the solar system that prevailed for 1400 years. View six larger pictures. Biography.
Learn about Claudius Ptolemy, the only great astronomer of Roman Alexandria, who developed a geocentric model of the Universe based on observations and mathematics. Explore how his ideas persisted for 1400 years and were challenged by Copernicus, Galileo, and Newton.
