Eratosthenes — "There are five planets, and they all orbit the sun."
There are five planets, and they all orbit the sun.
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More from Eratosthenes
"I have sought to correct the errors of my predecessors."
"The Earth is spherical, not flat."
"I have tried to bring order to the chaos of geographical knowledge."
"The Earth is divided into five zones: one torrid, two temperate, and two frigid."
"The world is full of wonders, if only one takes the time to observe."
Details
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 & WorldVerification
Unverifiable
Found in 1 providers: grok
1 source checked