How Many Moons?
On January 7, 1610, Galileo Galilei discovered what he believed to be three bright stars close to Jupiter, which he later learned were actually moons orbiting the famous gas giant. […]
1 event found.
On January 7, 1610, Galileo Galilei discovered what he believed to be three bright stars close to Jupiter, which he later learned were actually moons orbiting the famous gas giant. […]