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Sep 14, 2024 · 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-centred) model of the universe now known as ...
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 ...
- Mark Cartwright
- 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...
- Claudius Ptolemy's theory of the universe is that Earth is at the centre while the other planets and the Sun move around it. These heavenly bodies...
- Claudius Ptolemy's world map was relatively accurate for the Mediterranean region, but because nobody had been there, other parts of the world were...
Ptolemy made contributions to astronomy, mathematics, geography, musical theory, and optics. He compiled a star catalog and the earliest surviving table of a trigonometric function and established mathematically that an object and its mirror image must make equal angles to a mirror. In several fields his writings represent the culminating ...
Claudius Ptolemy (/ ˈ t ɒ l ə m i /; Greek: Πτολεμαῖος, Ptolemaios; Latin: Claudius Ptolemaeus; c. 100 – c. 170 AD) [1] was an Alexandrian mathematician, astronomer, astrologer, geographer, and music theorist [2] who wrote about a dozen scientific treatises, three of which were important to later Byzantine, Islamic, and Western European science.
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.
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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May 23, 2024 · Claudius Ptolemy (c. 100 – c. 170 AD) was a towering figure in the ancient world, renowned for his extensive contributions to various fields of science. His life and works left an indelible mark on mathematics, astronomy, astrology, geography, and music theory. This comprehensive exploration delves into Ptolemy’s life and major ...
