Eratosthenes — "The measurement of shadows can unlock great truths."
The measurement of shadows can unlock great truths.
The measurement of shadows can unlock great truths.
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"He who knows the positions of the stars knows the circumference of the Earth."
"I am not merely a geographer; I am a cosmographer."
"The universe is a grand design, filled with mathematical harmonies."
"One must observe the world carefully to understand its secrets."
"Alexandria is approximately 5,000 stadia north of Syene."
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