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Eratosthenes

Carl Sagan on the Brilliance of Ancient Greek Scientist Eratosthenes

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...

How Ancient Greeks Realized the Earth Is Round

Theories depicting the shape of the earth swirled in embryonic form in the minds of Ancient Greek thinkers. By Matthew Norman Many pre-Socratic Greek philosophers were wrong about the form of our planet. Thales – founder of the Milesian School of...

Cyrene: The Stunning Ancient Greek City of Libya

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.

How an Ancient Greek Calculated the Earth’s Circumference

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

How Ancient Greeks Set Humanity on the Path to Space Exploration

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

Greek Students Take Part in Eratosthenes’ Greatest Experiment

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

Students in Greece Set Out to Recreate Eratosthenes' Experiment to Recalculate Earth’s Circumference

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...