by Annabelle R

Blue

12/18/2018

Homer,

Herodotus,

Eratosthenes,

Ptolemy,

Dark Ages View (not a "people"...),

Dante,

Now. Sizes and Distances. But we still have a LOT to learn...

Britanica. www.britannica.com/biography/Ptolemy.

"Claudius Ptolemy." Famous Scientists. famousscientists.org. 27 Aug. 2016. Web. 1/7/2019 . Published by FamousScientists.org

"Ptolemy." Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, 4 Jan. 2019. Web. 7 Jan. 2019.