From Stephen, Grade 6: "How many moons does each planet have and what are their names?"

One Possible Answer: From Stephen, Grade six and my reference is "The Firefly Space Encyclopedia: In order from the sun:

• Earth: 1 moon (the Moon)
• Mercury: 0
• Venus: 0
• Mars: 2(Phobos and Deimos)
• Jupiter:16 (Metis, Adrastea, Amaltea, Thebe, Io, Europa, Ganymede, Callisto , Leda, Himalia, Lysithia, Elara, Ananke, Carme, Pasiphae, and Sinope)
• Saturn: 18(Pan, Atlas, Prometheus, Pandora, Epimetheus, Janus, Mimas, Enceladus, Tethys, Telesto, Calypso, Dione, Helene, Rhea, Titan, Hyperion, Iapetus, and Phoebe)
• Uranus: 17(Oberon, Titania, Umbriel, Ariel, Miranda, Puck, Belinda, Rosalind, Portia, Juliet, Desdemona, Cressida, Bianca, Ophelia, Cordelia, and two others)
• Neptune:8(Thalassa, Maiad, Despina, Galatea, Larissa, Proteus, Triton, and Nereid)
• Pluto:1(Charon)

Other questions:

• How far away are the moons from their planet?
• What is each planet's and each moon's distance from the Sun?
• Why do different planets have different number of moons?