Life of Ptolemy (12 janv. 100 – 15 sept. 170)
Description:
Well known Roman scientistLived in Alexxandria, Egypt
wrote the Almagest which gives mathematical formulas to back the geocentric theory, which states that the earth is the center of the universe and the sun and other objects revolve around it.
Ajouté au bande de temps:
Date:
12 janv. 100
15 sept. 170
~ 70 years