No. There are four Galilean moons: Io, Europa, Ganymede, and Callisto.
The Galilean moons orbit the planet Jupiter.
No. It is a moon of Mars. The Galilean moons are moons of Jupiter.
The Galilean moons orbit Jupiter.
Because they were discovered first by Galileo.
The Galilean moons were discovered by Galileo Galilei in 1610.
They were discovered by Galileo.
Callisto is composed of rock and ice and is the least dense of the Galilean moons.
The Galilean moons are the four largest moons of Jupiter, so called because they were discovered by Galileo Galilei.
Galilean
The Galilean moons are Io, Europa, Ganymede, and Callisto, all of which orbit Jupiter. The term "Galilean" does not denote anything special about the moons other than that they were discovered by the astronomer Galileo Galilei.
Io
Europa