Question

How did Ptolemy's workinfluence the geographers in Arabia and Europe? Answer in 30-40 words.
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Answer 1

He offered three different methods of map projections and provided coordinates to all the geographic features he knew, more than 8,000 places. He invented the concept of latitude and longitude, a mapping system still commonly used today.

Ptolemy authored several scientific papers that resonated for centuries with many ancient civilizations including Islamic and European scientists.

Details--

Claudius Ptolemy was a Roman citizen who lived in Alexandria, Egypt and wrote is scientific texts in Greek. He was not only a geographer but a mathematician, astronomer, astrologer, and even a poet.

● The greatest contribution of Ptolemy was not the maps themselves but the concepts behind the maps. He offered three different methods of map projections and provided coordinates to all the geographic features he knew, more than 8,000 places. He invented the concept of latitude and longitude, a mapping system still commonly used today. Latitude was measured horizontally from the equator while longitude was measured from the westernmost landmass known to date, the Canary Islands off of the coast of Spain.

● An Arabian scholar by the name of al-Mas’udi who wrote around AD 956 that Ptolemy’s Geographia mentioned a colored map with more than 4,530 cities plotted and over 200 mountains.

In Ptolemy’s world map he identifies many modern geographic areas including Taprobane (Sri Lanka) and Aurea Chersoneus (Malay Peninsula).

● Ptolemy was the most influential of Greek astronomers and geographers of his time. He propounded the geocentric theory of the solar system that prevailed for 1400 years.

● Ptolemy not only mapped the known world but the known universe. He believed, and mapped, the Earth as the center of the universe. This geocentric model of the universe (also known as the Ptolemaic system) served as the predominant cosmological system throughout the ancient world, including ancient Greece and ancient Roman periods, until about the late 1500s when the heliocentric model of Galileo, Copernicus, and Kepler gained ground in the scientific community (but not necessarily the religious community of the Catholic Church).

◆in attachment : Ptolemy’s Geographica,