Eratosthenes
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Eratosthenes, a Greek mathematician, poet, and chief librarian of the Library of Alexandria around 250 BC, is best known for his remarkable calculation of the Earth's circumference, utilizing the angles of shadows in different locations to illustrate the planet's roundness.
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Eratosthenes is recognized for measuring the circumference of the Earth using the length of a shadow.
Ο Αρχιμήδης, ο Γουτεμβέργιος και η ιστορία της ταπεινής αλλά υπερπολύτιμης βίδαςKathimerini·
Greece· 2025-03-22
Greece· 2025-03-22
Eratosthenes looked into a well in Syene and saw the shape of the Earth.
Opinion: Gulf of understanding: The way we see the Earth has never been set in stoneThe Globe and Mail·
Canada· 2025-03-21
Canada· 2025-03-21
