They were discovered by Galileo.
Because they were discovered first by Galileo.
Jupiter is the planet with Galilean moons orbiting it. These four large moons were discovered by Galileo Galilei in the early 17th century and are named Io, Europa, Ganymede, and Callisto.
Jupiter has a moon named Europa, and it was named after Galileo Galilei, the astronomer who discovered it in 1610.
The Galilean moons are located around the planet Jupiter. They were discovered by Galileo Galilei in 1610 and are named Io, Europa, Ganymede, and Callisto. These moons are the largest of Jupiter's many moons and are known for their distinctive features, such as volcanic activity on Io and the possibility of liquid water on Europa.
The Galilean moons orbit Jupiter.
The Galilean moons were discovered by Galileo Galilei in 1610.
No. It is a moon of Mars. The Galilean moons are moons of Jupiter.
No. There are four Galilean moons: Io, Europa, Ganymede, and Callisto.
The four largest moons of Jupiter are Io, Europa, Ganymede, and Callisto. They are known as the Galilean moons, named after Galileo Galilei who discovered them in 1610.
Jupiter has 53 named moons and at least 26 more awaiting official naming, bringing the total to 79 known moons.
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.