Mad Minerva 2.0
Close Encounters of the Nerd Kind.
Thursday, January 07, 2016
Today in History: Galileo Discovers 4 Jovian Moons
Using a homemade (!) telescope,
Galileo discovered 4 moons of Jupiter
on this day in 1610. Today the moons Callisto, Europa, Ganymede, and Io are also called the Galilean moons in his honor.
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