Ganymede was discovered on January 13th 1610 by Galileo Galilei.
On January 11th he observed what he believed were three stars near Jupiter. The next night he noticed that they had moved. He found a fourth "supposed" star, which turned out to be Ganymede. Galileo in 1609.
Galileo discovered Ganymede in 1610. Ganymede is the largest moon in the solar system and belongs to Jupiter.
Galileo
The four largest moons of Jupiter discovered by Galileo are Io, Europa, Ganymede, and Callisto.
there is no moon which is larger than Ganymede in our Solar System. Ganymede is the largest natural satellite (moon) in our Solar System so far to be discovered.
Galileo discovered Jupiter's four largest moons, including Ganymede, the largest.
They are the four moons which Galileo discovered: Callisto, Europa, Ganymede and Io.
Many astronomers have discovered Jupiter's moons. Galileo discovered the first four moons of Jupiter, named Calisto, Europa, Ganymede and Io.
Io, Europa, Ganymede, and Callisto. Discovered by Galileo.
Galileo discovered Jupiter's 4 largest moons, the Galilean moons. The largest moon's name is Ganymede.
There are over 59, the largest is: Ganymede.
The biggest four were discovered by Galileo. They are : Callisto Europa Ganymede Io
My answer is four moons that Galileo found on or near Jupiter.