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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 general, historian, and successor of Alexander the Great who went on to found the Ptolemaic Kingdom centered on Egypt and led by his progeny from 305 BC – 30 BC.
May 21, 2024 · 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. See all videos for this article.
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...
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 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 was the only great astronomer of Roman Alexandria. Ptolemy was also a mathematician, geographer, and astrologer.
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.
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.
Ptolemy was the world’s foremost expert on astrology, which in ancient times was an extremely important and fundamental way of understanding the fate and workings of all humanity. He wrote a series of four books called the Tetrabiblos, which for centuries were the central “instruction manuals” for applying and understanding astrology.
Ptolemy, or in Latin Claudius Ptolemaeus (ca. 90 – ca. 168 C.E. ), was a mathematician, philosopher, geographer, map maker, astronomer, theologian, and astrologer who lived in Alexandria, Egypt.
