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How Eratosthenes calculated circumference of the Earth

Started by #Metro, September 11, 2023, 09:18:49 AM

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#Metro

September 11, 2023, 09:18:49 AM
How Eratosthenes calculated circumference of the Earth
Modelling & Estimation

QuoteIn the mid-20th century we began launching satellites into space that would help us determine the exact circumference of the Earth: 40,030 km. But over 2000 years earlier, a man in Ancient Greece came up with nearly the exact same figure using just a stick and his brain.

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