With eight planets in our solar system, more than 200 moons surround those natural satellites. Jupiter, one of the most recognizable planets, has 80 of those moons. On this day in history, Jan. 7, 1610, Galileo discovered the moons of Jupiter — making it the first observation of this planet. …
Read More »On this day in history, January 7, 1610, Galileo discovers the moons of Jupiter
