jupiter.
they are named Ganymede, Callisto, Io, and Europa
It is Jupiter.
Europa is one of Jupiter's moons. Actally theres Europa, Callisto, Ganymade, and Io. :] Ganymede, Io, Europa and Callisto Jupiter has 67 moons, of which four are major. Those moons are Io, Europa, Ganymede, and Callisto.
Jupiter has about 63 moons, but the four main moons of Jupiter are Europa, Ganymede, Callisto, and Io.
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.
Io, Europa, Ganymede and Callisto are the four satellites that orbit Jupiter.
They are all moons of Jupiter.
It is Jupiter.
The four largest moons of Jupiter discovered by Galileo are Io, Europa, Ganymede, and Callisto.
The order of brightness for the Galilean moons of Jupiter from brightest to dimmest is Io, Europa, Ganymede, and Callisto. Io is the brightest due to its active volcanism, while Callisto is the dimmest of the four.
Jupiter is the planet that has these moons: Ganymede, Europa, Io, and Callisto. Jupiter is the largest planet in our solar system and has a total of 79 known moons.
Four moons of Jupiter were discovered by Galileo: Io, Europa, Ganymede and Callisto.