The Planets and Their Moons Quiz

Which planet is known to have the highest number of moons?

• Jupiter

• Saturn

• Mars

• Neptune

Why does Mercury have no moons?

• It has too many rings.

• It is too far from the Sun.

• Its gravity is too weak.

• It is too close to the Sun.

What is the largest moon in our solar system?

• Titan

• Ganymede

• Europa

• Phobos

Which moon is known for its lakes and rivers of liquid methane?

• Titan

• Ganymede

• Triton

• Io

Which moon orbits in the opposite direction of its planet's spin?

• Phobos

• Daimos

• Triton

• Io