Largest Moons of the Solar System
Test your knowledge of the largest moons orbiting planets and dwarf planets in our Solar System, including Jupiter, Saturn, Uranus, Neptune, Mars, Pluto, and other celestial bodies.
Questions
Which moon is the largest in the Solar System?
- Ganymede
- Titan
- Callisto
- Io
Which moon is the most volcanically active body in the Solar System?
- Io
- Enceladus
- Triton
- Europa
Which moon has a subsurface ocean that may be habitable?
- Europa
- Enceladus
- Titan
- Callisto
Which moon has a thick atmosphere and is often referred to as a "Saturnian moon"?
- Titan
- Enceladus
- Iapetus
- Mimas
Which moon is the largest moon of Neptune?
- Triton
- Nereid
- Proteus
- Larissa
Which moon is the largest moon of Uranus?
- Titania
- Oberon
- Umbriel
- Ariel
Which moon is the largest moon of Mars?
- Phobos
- Deimos
- Cerberus
- Styx
Which moon is the largest moon of Jupiter?
- Ganymede
- Callisto
- Io
- Europa
Which moon is the largest moon of Saturn?
- Titan
- Rhea
- Iapetus
- Dione
Which moon is the largest moon of Pluto?
- Charon
- Nix
- Hydra
- Kerberos
Which moon is the largest moon of Eris?
- Dysnomia
- Hi'laka
- Namaka
- Makemake
Which moon is the largest moon of Haumea?
- Hi'laka
- Namaka
- Makemake
- Dysnomia
Which moon is the largest moon of Makemake?
- S/2015 (136472) 1
- S/2016 (136472) 1
- S/2017 (136472) 1
- S/2018 (136472) 1
Which moon is the largest moon of Gonggong?
- Xiangliu
- Gonggong II
- Gonggong III
- Gonggong IV
Which moon is the largest moon of Quaoar?
- Weywot
- Quaoar II
- Quaoar III
- Quaoar IV