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What is Ptolemy best known for? How did Ptolemy impact the world? What were Ptolemy’s achievements? Study how Ptolemy tried to use deferents and epicycles to explain retrograde motion. Ptolemy's theory of the solar system.
Ptolemy I Soter (/ ˈ t ɒ l əm i /; 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.
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...
Feb 3, 2012 · Ptolemy I Soter (366-282 BCE) was one of the successor kings to the empire of Alexander the Great. He served not only as king of Egypt but also the founder of the Ptolemaic Dynasty, a dynasty which included the infamous Cleopatra VII.
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 was a Greek mathematician, astronomer and geographer who lived in the Egyptian city of Alexandria while under the rule of the Roman Empire.
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 Earth was the center of the Universe according to Claudius Ptolemy, whose view of the cosmos persisted for 1400 years until it was overturned — with controversy — by findings from Copernicus, Galileo, and Newton.
Nov 27, 2021 · The Ptolemaic dynasty founded by Ptolemy I Soter, general of Alexander the Great, and governed Egypt for three centuries, creating a powerful and wealthy Hellenistic state. Nov 27, 2021 • By Ariadne Argyros, MA Egyptology, BA Anthropology & Classics.
Claudius Ptolemy lived in Alexandria, in Egypt, in the middle of the second century CE. He was descended from an Egyptian family and associated with the renowned library situated in the city. He is celebrated for his great work of astronomy, known today as the Almagest.