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25 ago 240 ano antes da era comum - 240 B.C. Cyrene (now Shahhat, Libya) Eratosthenes measured the circumference of the earth using the suns angles and shadows from different spots on Earth.

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ByNoah Covington

1 nov 2018

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25 ago 240 ano antes da era comum

Agora

~ 2268 years ago

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