How Eratos­thenes Measured The Earth's Circumference With A Stick In 240 BCE, At An Astonishing 38,624 Kilometers
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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
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2,000 years ago, Eratosthenes measured Earth’s circumference without satellites or tech! Using shadows, angles, and math, he got shockingly close to modern calculations—long before the world accepted the Earth was round! #storytime #didyouknow #shorts #ancient #history #documentaryshort #earth #worldhistory #mathematics #astronomy #mindblown Read More:https://www.ancient-origins.net/history-important-events/circumference-earth-0015421 | Ancient Origins
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This measurement is more than 2,200 years old, and its accuracy is remarkable
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