Eratosthenes — "I have found a way to measure the size of the Earth with considerable accuracy."
I have found a way to measure the size of the Earth with considerable accuracy.
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More from Eratosthenes
"The sun casts no shadow in Syene at the summer solstice."
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Details
Describing his method using shadows and distances between cities.
Date: c. 240 BCE
Nature & WorldVerification
Unverifiable
Found in 1 providers: grok
1 source checked