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18 sett 199 anni a. C. - Eratosthenes calculates the Earth's circumference

Descrizione:

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

Aggiunto al nastro di tempo:

9 nov 2017
0
0
379

Data:

18 sett 199 anni a. C.
Adesso
~ 2227 years ago

Immagini: