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Eratosthenes
Eratosthenes
Mar 3, 2022
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2.3K views · 60 reactions | Carl Sagan shows how Eratosthenes's zest for experiment helped us understand the circumference of the Earth 2200 years ago, an understanding that overthrows the flat-earth conspiracy. Credits: The Cosmos | Scientia | Facebook
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Eratosthenes (276-195 BC)
Eratosthenes (276-195 BC)
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How an Ancient Greek Calculated the Earth's Circumference - GreekReporter.com
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139K views · 1.2K reactions | Eratosthenes, a Greek mathematician,...
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This measurement is more than 2,200 years old, and its accuracy is remarkable
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