Ελληνική Ιστορία και Προϊστορία - Greek History and Prehistory - ERATOSTHENES OF CYRENE : THE GREEK SCIENTIST WHICH CALCULATE THE CIRCUMFERENCE OF EARTH Eratosthenes of Cyrene (c. 276 BC– c. 195/194 BC)
Eratosthenes' Calculation of Earth's Circumference 2 - JavaLab
2,000 Years ago, This Greek Mathematician Proved The Earth Is Round Using A stick And His Brain – PTAMA.NET
Determining the earth's size
How Did Eratosthene Calculate The Circumference Of Earth In 240 BC? » Science ABC
Who Was The First Person To Accurately Measure The Circumference Of The Earth? - WorldAtlas
Eratosthenes - Wikipedia
Al-Biruni's Classic Experiment: How to Calculate the Radius of the Earth - Owlcation
Eratosthenes - World History Encyclopedia
Eratosthenes's Measure of the Earth's Circumference - Wolfram Demonstrations Project
How Ancient Scientists Calculated The Circumference Of The Earth - Ancient Pages
The Cultural Tutor on Twitter: "Ancient people knew the earth was round. And about 2,240 years ago a man called Eratosthenes calculated its circumference within 1% of the correct figure... with a
How Eratosthenes Calculated the Earth's Circumference
How Aryabhata got the earth's circumference right | Mint
Eratosthenes - Wikipedia
This measurement is more than 2,200 years old, and its accuracy is remarkable - ABC News
Eratosthenes | Biography, Discoveries, Sieve, & Facts | Britannica
This measurement is more than 2,200 years old, and its accuracy is remarkable - ABC News
How Eratosthenes Calculated the Earth's Circumference
The History of Geodes: Global Positioning Tutorial
