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18 Sept 199 Jahr v. Chr. - Eratosthenes calculates the Earth's circumference

Beschreibung:

He calculated it to be 25,000 miles, which is very close to the real circumference.

Zugefügt zum Band der Zeit:

9 Nov 2017
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Datum:

18 Sept 199 Jahr v. Chr.
Jetzt
~ 2227 years ago

Abbildungen: