Ganymede is the largest, then Callisto.
Galileo Galilei
The volcano lo and all its moons. it also has the biggest storm in the solar system
Jupiter's biggest moon is called Ganymede.
jupiters ice moon is Io
we can't use jupiters moons for anything because fistly we can not get out that far to reach Jupiters moon and if we could it would take thousands of years and Jupiters Moons would be to big to do anything with anyway. so the answer to What could Jupiter's moons be used for? is....Nothing.
Socrates, Gallileo
it's moons
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Ganymede is Jupiter's largest moon. The top four of its largest moons are Europa, Io, Callisto, and Ganymede.
Jupiters Moons
Jupiter dosent have a surface. And if it did, you wouldn't be able to see the moons because of the 30 mile thick clouds!
jupiters moons are different some have an atmosphere and MOST are asteroids