Physics, 07.10.2019 17:30 briceevans32

Eratosthenes measured the circumference of earth to within 4% of the correct value eratosthenes measured the circumference of earth to within 4% of the correct value noting how much more of the celestial sphere came into view when walking south. using the detailed reports of far-sailing mariners. looking at stick shadows on the solstice. sighting the stars from within the deepest well in egypt on the day of the solstice.

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