Eratosthenes

Cyrene was an ancient Greek and later Roman city in Libya. It was the oldest and most important of the five Greek cities in the region.

Ancient Greeks made countless astronomical discoveries, including Eratosthenes' calculation of the Earth's circumference and its shape.

While civilized society was just learning to use the wheel on earth, ancient Greeks were aiming at celestial space and the stars.

Carl Sagan, the American astronomer, author, and science communicator was renowned for making difficult scientific concepts understandable to the millions; he did exactly this at the beginning of his renowned series Cosmos by explaining the thought process of the...

An experiment devised by one of Greece's greatest scientists, Eratosthenes, was recreated once again recently by students from 35 nations.

Students from Greek schools will participate in a science project which will recalculate the earth’s circumference, repeating the experiment of the famous Greek mathematician, astronomer and geographer Eratosthenes. The project is being held on the occasion of the Spring Equinox...