moons of jupiter
- IoJupiter's volcanic satellite
- EuropaGalilean moon with subsurface ocean
- GanymedeJupiter's largest natural satellite
- CallistoJupiter's second-largest moon
- orbitCurved celestial path
crater · volcanic · icy · tidal · frozen · ocean · sulfur · lava · telescope · Galileo · discovery · celestial · satellite · gravity · red spot · gas giant · space · NASA