Eratosthenes — "The world is not a perfect sphere, but an oblate spheroid."
The world is not a perfect sphere, but an oblate spheroid.
The world is not a perfect sphere, but an oblate spheroid.
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"I am not afraid to challenge established wisdom."
"The Earth is not the center of everything, but it is a significant part of the cosmos."
"The library of Alexandria holds the knowledge of the world."
"One must combine practical observation with theoretical understanding."
"I have measured the circumference of the Earth with a stick and some shadows."
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