Eratosthenes — "Alexandria is approximately 5,000 stadia north of Syene."
Alexandria is approximately 5,000 stadia north of Syene.
Alexandria is approximately 5,000 stadia north of Syene.
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"The distances between cities can be used to understand the Earth's curvature."
"I have tried to bring order to the chaos of geographical knowledge."
"Geometry is the key to understanding the cosmos."
"I have devised a method for finding prime numbers."
"The Earth is not the center of everything, but it is a significant part of the cosmos."
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