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A MOMENT IN HISTORY

Eratosthenes measures the circumference of the Earth

240 BCE · Egypt, Africa · Science

Eratosthenes measures the circumference of the Earth

Eratosthenes of Cyrene was an Ancient Greek polymath: a philosopher, scholar, mathematician, geographer, poet, astronomer, and music theorist. Eratosthenes eventually became the chief librarian at the Library of Alexandria.

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