WebIn the third century BCE, Eratosthenes, a Greek librarian in Alexandria, Egypt, determined the earth's circumference to be 40,250 to 45,900 kilometers (25,000 to 28,500 miles) by comparing the Sun's relative position at two different locations on the earth's surface. WebEratosthenes' method was used by Posidonius about 150 years later. About 200 BC Eratosthenes is thought to have coined or to have adopted the word geography, the descriptive study of the Earth. Eratosthenes' other contributions include: The Sieve of Eratosthenes as a way of finding prime numbers.

Eratosthenes Contribution to Geography Notes By NETSET CORNER

WebEratosthenes also did other things that are known today. He made maps, both of the world and sky and is said to have made a map that included 675 stars. He worked in geography to try to figure out why the Nile river had such a regular flood pattern, and hypothesized that it was because of heavy rain upstream. WebEratosthenes calculated the equatorial circumference to be 40,233 kilometers using simple geometric relationships. ... made a number of important contributions to geography. Ptolemy's publication … theta symbol shortcut in word

What was Eratosthenes famous for? - TimesMojo

WebMay 14, 2024 · Eratosthenes was a 2nd century BC Greek scholar who is credited as the founder of the discipline of geography. Eratosthenes is believed to have been born in 276 BC in Cyrene and was the chief librarian at the Library of Alexandria. The works of this geographer became the foundations of the study of geography. WebAlthough he praised Poseidonius (Posidonius), the Greek historian and philosopher who lived from about 135 to 51 bce, for his knowledge of physical geography and ethnography, he rejected Poseidonius’s theory … http://kejounburton3b.weebly.com/contributions.html seriouscheckpoint.pth