Which is not a ‘Galilean Moon’?
[A] Mercury
[B] Europa
[C] Io
[D] Ganymede
Galilean Moons
The four moons are Io, Europa, Ganymede, and Callisto, in order of distance from Jupiter.
- 67 moons orbit the great gas giant Jupiter
- Four largest are known as the Galilean moons
- Discovered by Galileo Galilei using his telescope in 1610.