On Oct. 14, NASA's Europa Clipper mission launched from Kennedy Space Center in Florida toward one of Jupiter's largest moons. The launch was eagerly anticipated by scientists around the world, in part because Europa, with its plumes of liquid water and icy crust, is thought to be one of the best places in the solar system to search for life beyond Earth.
But Europa isn't Jupiter's only moon — far from it. Officially, Jupiter has 95 moons recognized by the International Astronomical Union. But the question of how many natural satellites the planet truly has is a bit more complicated.
