Eratosthenes — "There are five planets, and they all orbit the sun."
There are five planets, and they all orbit the sun.
There are five planets, and they all orbit the sun.
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"The sun casts no shadow in Syene at the summer solstice."
"There are two ways to measure the Earth: one by walking, the other by thinking."
"I have devised a method for accurately identifying prime numbers."
"I have spent my life seeking knowledge."
"The stars are not just pretty lights, but objects to be studied."
While he accepted a geocentric model, some sources suggest he was aware of heliocentric ideas and contributed to understanding planetary motions, but this specific quote is not directly attested.
Date: c. 250 BCE
Nature & WorldFound in 1 providers: grok
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