- Ptolemy I Soter - Wikipedia
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
- Ptolemy | Accomplishments, Biography, Facts | Britannica
Ptolemy was an astronomer, mathematician, and geographer who lived during the 2nd century CE He is known for his geocentric (Earth-centred) model of the universe
- Claudius Ptolemy - World History Encyclopedia
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
- Ptolemy - Simple English Wikipedia, the free encyclopedia
Ptolemy explained and extended Hipparchus's system of epicycles and eccentric circles to explain the Earth-centered theory of the world Ptolemy's system involved at least 80 epicycles to explain the motions of the Sun, the Moon, and the five planets known in his time
- Ptolemy I Biography - life, family, childhood, children, death, history . . .
Ptolemy I (c 366–283 B C E ) was a Macedonian general under Alexander the Great (356–323 B C E ) and founder of the Ptolemaic dynasty of Egypt, a family of fifteen kings—all of whom were named Ptolemy—who reigned over Egypt for more than three hundred years
- Ptolemy - Wikipedia
Claudius Ptolemy ( ˈtɒləmi ; Ancient Greek: Πτολεμαῖος, Ptolemaios; Latin: Claudius Ptolemaeus; c 100 – 160s 170s AD) [1] was a Greco-Roman 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 scie
- Ptolemy I Soter | Macedonian King of Egypt, Wife, Alexander the Great . . .
Ptolemy I Soter was a Macedonian general under Alexander the Great, who became satrap and eventually king of Egypt He founded the Ptolemaic dynasty
- 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
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