335 B.C.:This Greek philosopher uses lunar eclipses to prove the Earth is ball shaped
...... Aristotle 
came back to Athens in 335 B.C., and spent the next twelve years running his 
own ..... observation of a lunar eclipse, which happens when the earth... [DOC] [TLE] History of science and technology in China - Wikipedia [PAR] Ancient Han Chinese scientists, engineers, astronomers, philosophers, 
mathematicians and ...