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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
May 31, 2020
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LaLaLa
Created by
xiliu
⟶ Updated 7 Dec 2017 ⟶
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Periods
Euclid
Seleucus
Ptolemy
Ibn AI Haytham
Robert Grosseteste
Copernicus
Invention of the telescope
Galilep
Kepler
