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Izvorni kanal @DiscountedCourseNinja · Post #10708 · 22. velj
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Pretraži: #ancientscience
@googlefactss · Post #40236 · 02. 12. 2025. 07:04
🌍 Over 2,200 years ago, the Greek mathematician Eratosthenes calculated Earth’s circumference using only a stick and his brain — and he was almost exactly right! 📏 By observing shadows in two cities, he calculated the Earth was about 40,000 km around. Ancient genius at its finest! [Source] @googlefactss#AncientGreece#ScienceHistory#Eratosthenes#EarthCircumference#AncientScience