What did Eratosthenes discover about the Earth?
Tarih: 2022-10-09 Kategorisi: Coğrafya Sözlüğü
Eratosthenes hired a man to pace the distance between the two cities and learned they were 5,000 stadia apart, which is about 800 kilometers. He could then use simple proportions to find the Earth's circumference — 7.2 degrees is 1/50 of 360 degrees, so 800 times 50 equals 40,000 kilometers.27 Ara 2017
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