On this day: January 7

POSTED: 02:29 AM PST Jan 05, 2013    UPDATED: 11:00 PM PST Jan 06, 2016 
Galilean moons of Jupiter, NASA drawing

Galileo spots some of Jupiter's moons, the Harlem Globetrotters play their first game, President Clinton's impeachment trial begins, and Charlie Hebdo is attacked, all on this day.