[Brookhaven]

Eratosthenes determined the Earth's circumference in 240 BC.

http://www.windows2universe.org/citizen_science/myw/w2u_eratosthenes_calc_earth_size.html

[shotgun]

Isaiah 40:22

He sits enthroned above the circle of the earth, and its people are like grasshoppers. He stretches out the heavens like a canopy, and spreads them out like a tent to live in.
In Context | Full Chapter | Other Translations