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On this day in 240 BC, ancient Greek scholar Eratosthenes estimated the circumference of the Earth.
See omnystudio.com/listener for privacy information.
By iHeartPodcasts and HowStuffWorks4.2
893893 ratings
On this day in 240 BC, ancient Greek scholar Eratosthenes estimated the circumference of the Earth.
See omnystudio.com/listener for privacy information.

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