WebAt noon on the longest day of the year, the summer solstice, the sun shone directly into a deep well at Syene (which is now Aswan, Egypt), casting no shadow. Given the simple tools and technology that Eratosthenes had at his disposal over 2,000 years ago, his calculations were quite remarkable.

Eratosthenes Timeline - World History Encyclopedia

WebIndeed, his work and many accomplishments made him famous. Eratosthenes evented a cycle of four year with three years consisting of 365 days each, plus a leap year of 366 days. ... Eratosthenes’ Circumference of the Earth Eratosthenes was a brilliant mathematician, scholar and poet that was able to calculate the circumference of the … WebDec 27, 2024 · In the mid-20th century, we began launching satellites into space that … co states in us

What did Eratosthenes of Cyrene contribute to astronomy in

WebApr 2, 2024 · Eratosthenes, in full Eratosthenes of Cyrene, (born c. 276 bce, Cyrene, Libya—died c. 194 bce, Alexandria, Egypt), Greek scientific … Web1 day ago · Over 2,000 years ago, an Ancient Greek came up with nearly the exact same figure using just his brain and some wood. Greek mathematician, Eratosthenes, planted a stick in the ground in the city of ... WebEratosthenes lived in the city of Alexandria, near the mouth of the Nile River by the Mediterranean coast, in northern Egypt. He knew that on a certain day each year, the Summer Solstice, in the town of Syene in southern Egypt, there was no shadow at the bottom of a well. He realized that this meant the Sun was directly overhead in Syene at ... lv-econ