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May 21, 2024 · 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. On the Web: Perseus Digital Library - A Dictionary of Greek and Roman biography and mythology - Ptolemaeus, Clau'dius (May 21, 2024)
Sep 7, 2023 · Claudius Ptolemy is best known for being a 2nd-century Alexandrian astronomer who created a model of the universe with Earth as its centre. Ptolemy's Almagest book became the standard work on astronomy until the 17th century.
- Mark Cartwright
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 Roman-Greek astronomer who wrote the Almagest, a landmark work on astronomy. Discover his cosmology, trigonometry, planet model, and star catalogue.
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.
Learn about Claudius Ptolemy, an Egyptian-born Greek scholar who developed a detailed model of the Universe with Earth at its center. Explore his observations, calculations, and legacy in astronomy and astrology.
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.
