It was the famous "Galileo".
The four largest moons of Jupiter discovered by Galileo are Io, Europa, Ganymede, and Callisto.
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Galileo discovered Jupiter's 4 largest moons, the Galilean moons. The largest moon's name is Ganymede.
Jupiter's moons were discovered in 1610 do not think I am lying because galileo is my great grand father.
Lo Europa and Ganymede
Io
Jupiter's largest four moons, called the Galilean satellites because Galileo was the first person to see them, are Europa, Io, Callisto and Ganymede.
Ganymede is Jupiter's largest moon. The top four of its largest moons are Europa, Io, Callisto, and Ganymede.
Jupiter's four largest moons are known as the Galileans. They are individually named Io, Europa, Ganymede, and Callisto, named my Simon Marius in 1610. Ganymede is the largest of these four moons.
Galileo discovered Jupiter's four largest moons, including Ganymede, the largest.
They are the largest of Jupiter's moons and were discovered by Galileo in 1610.
jupiters ice moon is Io