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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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