Ptolemy - Wikipedia
Claudius Ptolemy (/ ˈtɒləmi /; Ancient 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.
Ptolemy | Accomplishments, Biography, & Facts | Britannica
Nov 19, 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.
Claudius Ptolemy - World History Encyclopedia
Sep 7, 2023 · Ptolemy, also known as Claudius Ptolemaeus (or Klaudios Ptolemaios), was born around 100 CE, but biographical information on him is scarce indeed. All that is really known is where and when (125 to 141 CE) Ptolemy took certain astronomical observations and in which order he wrote his main treatises. Ptolemy's ideas, in contrast, became widely ...
Ptolemaic dynasty - Wikipedia
The Ptolemaic dynasty (/ ˌtɒlɪˈmeɪ.ɪk /; Ancient Greek: Πτολεμαῖοι, Ptolemaioi), also known as the Lagid dynasty (Λαγίδαι, Lagidai; after Ptolemy I 's father, Lagus), was a Macedonian Greek [ 1 ][ 2 ][ 3 ][ 4 ][ 5 ] royal house which ruled the Ptolemaic Kingdom in Ancient Egypt during the Hellenistic period.
Ptolemy - Simple English Wikipedia, the free encyclopedia
Claudius Ptolemy (Koinē Greek: Κλαύδιος Πτολεμαῖος, romanized: Klaúdios Ptolemaîos [kláwdios ptolɛmɛ́os]; Latin: Claudius Ptolemaeus; c. AD 100 – c. AD 170) was a Greek who probably lived and worked in Alexandria, Egypt.
Claudius Ptolemy - Biography, Facts and Pictures - Famous Scientists
Claudius Ptolemy wrote the Almagest, the work that defined astronomy for over 1,000 years. The Almagest included a catalogue of over a thousand stars, recording their positions, constellations, and relative brightnesses; and a mathematical model predicting the movements of the planets.
Claudius Ptolemy | Greek mathematician and astronomer - New Scientist
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...
Ptolemy summary | Britannica
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 Life of Astronomer Claudius Ptolemy - ThoughtCo
Jul 3, 2019 · Claudius Ptolemy (often called Claudius Ptolemaeus, Ptolomaeus, Klaudios Ptolemaios, and simply Ptolemeus) was one of the earliest of these observers. He systematically charted the sky to help predict and explain the motions of the planets and stars.
Claudius Ptolemaeus (Ptolemy) - Encyclopedia.com
Claudius Ptolema eus or Ptolemy, who wrote various works on astronomy and astrology, composed a geographical work (Geôgraphikê huphêgêsis, “Guide to Geography”) in eight books during the middle of the second century C.E.