Moons of the Planets

How many moons does Earth have?

• Zero

• Two

• Three

• One

Who discovered the moons Callisto, Europa, Ganymede, and Io of Jupiter?

• Copernicus

• Galileo

• Kepler

• Isaac Newton

Which moon is the largest in the solar system?

• Ganymede

• Titan

• Callisto

• Io

Venus has _____ moons.

• 1

• 2

• 3

• None

Which planet has moons named after Shakespearean characters Oberon and Titania?

• Mars

• Uranus

• Saturn

• Neptune

Saturn has how many moons?

• 95

• 146

• 28

• 16

Which moon of Neptune orbits in the opposite direction of the planet's rotation?

• Umbriel

• Ariel

• Miranda

• Triton

Which planet has moons with odd shapes like a sweet potato or a spicy meatball?

• Neptune

• Uranus

• Saturn

• Mars

Pandora is one of the Moons of Saturn

• True

• False

Which moon has evidence of possibly covering an ocean of water or slushy ice beneath its surface?

• Io

• Europa

• Ganymede

• Callisto