WebEratosthenes of Cyrene (/ ɛr ə ˈ t ɒ s θ ə n iː z /; Greek: Ἐρατοσθένης [eratostʰénɛːs]; c. 276 BC – c. 195/194 BC) was a Greek polymath: a mathematician, geographer, poet, astronomer, and music theorist.He … WebEratosthenes’ Vision. Eratosthenes of Cyrene (275-194 B.C.) was a Greek scholar who lived and worked in Cyrene and Alexandria. ... Since Eratosthenes knew that the earth was a sphere, he correctly reasoned that if he could determine the altitude of the noon sun at some other location on the first day of summer, AND if he knew the distance ...
Eratosthenes of Cyrene° Encyclopedia.com
WebEratosthenes Calculates the Circumference of the EarthOverviewThe measurement of distance became increasingly important to ancient and classical civilizations as their territorial and cultural horizons expanded. Using elegant mathematical reasoning and limited empirical measurement, in approximately 240 b.c., Eratosthenes of Cyrene (276-194 … WebExplain how Eratosthenes measured the circumference of the earth He was told that at a certain time, the sun was going to line up perfectly perpendicular to a well that was located in Syene. So Eratosthenes measured the distance from Syene to his place in Alexandria. He measured this distance to be 500miles. choline in breast milk
Eratosthenes of Cyrene Biography - eNotes.com
WebEratosthenes was born in the Greek colony Cyrene, now the city of Shahhat, Libya. As a young man, he traveled to Athens to pursue his studies. He returned to Cyrene and … WebEratosthenes, the son of Aglaos, was born c. 276 B.C. in Cyrene, but spent most of his working life in Alexandria. Education At some period during his early manhood, … WebEratosthenes of Cyrene was a 3rd century BC Greek mathematician, geographer and astronomer. He was head of the Library of Alexandria from 240 BC until his death: this … choline in chinese