The sun's rays are parallel at great distances.
Calculated Earth's circumference
The sun's rays are parallel at great distances.
Calculated Earth's circumference
Crucial assumption for his calculation of the Earth's circumference.
c. 240 BCE
Found in 1 providers: grok
Cross Reference
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"He who knows the positions of the stars knows the circumference of the Earth."
Strange & Unusual"Poetry should not be judged by its truth, but by its ability to charm the soul."
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