The sun casts no shadow in Syene at the summer solstice.
Calculated Earth's circumference
The sun casts no shadow in Syene at the summer solstice.
Calculated Earth's circumference
A key observation for his Earth circumference calculation.
c. 240 BCE
Found in 1 providers: grok
Cross Reference
1 source
"Alexandria is approximately 5,000 stadia north of Syene."
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