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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 ...
Ptolemy - Geographer, Astronomer, Mathematician: Ptolemy’s fame as a geographer is hardly less than his fame as an astronomer. Geōgraphikē hyphēgēsis (Guide to Geography) provided all the information and techniques required to draw maps of the portion of the world known by Ptolemy’s contemporaries.
克勞狄烏斯·托勒密 （ 古希臘語 ： Κλαύδιος Πτολεμαῖος ； 拉丁語 ： Claudius Ptolemaeus ，约100年—168年 [1] ，又译 托勒玫 或 多禄某 ）是一位學者，身兼 数学家 、 天文学家 、 地理学家 、 占星家 、 樂理家 等多重身分，公元168年于 埃及 亚历山大港 ...
Ptolemaic system, mathematical model of the universe formulated by the Alexandrian astronomer and mathematician Ptolemy about 150 CE. The Ptolemaic system is a geocentric cosmology that assumes Earth is stationary and at the centre of the universe. Learn more about the Ptolemaic system in this article.
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. He was a scientist and philosopher who lived in Alexandria, Egypt nearly 2,000 years ago.
Ptolemy was the only great astronomer of Roman Alexandria. Ptolemy was also a mathematician, geographer, and astrologer. Befitting his diverse intellectual pursuits, he had a motley cultural makeup: he lived in Egypt, wrote in Greek, and bore a Roman first name, Claudius, indicating he was a Roman citizen — probably a gift from the Roman ...
