By Gavin N.

Yellow

12/17/2018

Homer, Herodotus, Eratosthenes, Ptolemy, Dark Ages View (not a "people"...), Dante, Now. Sizes and Distances. But we still have a LOT to learn...

Citations

Encyclopedia Britannica. www.britannica.com/biography/Eratosthenes.

Famous Scientist. www.famousscientists.org/eratosthenes/.

Eratosthenes - Wikipedia. en.wikipedia.org/wiki/Eratosthenes.