Author Topic: Eratosthenes' calculation  (Read 3048 times)

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Offline Maik

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Eratosthenes' calculation
« on: Thursday, 28 December, 2017 @ 13:54:20 »
Quote
How the ancient Greeks proved Earth was round over 2,000 years ago
http://uk.businessinsider.com/how-greek-eratosthenes-calculated-earth-circumference-2016-6