How Many Moons?
January 17, 2026 @ 10:00 am - 1:00 pm
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. Today, we recognize numerous moons orbiting Jupiter, and many more orbiting Saturn as well. Join us to learn about the staggering number of moons we have discovered orbiting these gas giants, those moons’ characteristics, and how they are found and confirmed.