Which of jupiter's moons has a water ice surface?

Slightly smaller than Earth's Moon, Europa is primarily made of silicate rock and has a water-ice crust and probably an iron–nickel core. In addition, the Hubble Space Telescope detected water vapor plumes similar to those observed on Saturn's moon Enceladus, which are thought to be caused by erupting cryogeysers. read more

Ganymede, Jupiter's largest moon, has a vast underground ocean of salty water, NASA scientists announced Thursday (March 12). See how the Hubble Space Telescope revealed Ganymede's ocean. read more

Europa's trailing hemisphere in approximate natural color. The prominent crater in the lower right is Pwyll and the darker regions are areas where Europa's primarily water ice surface has a higher mineral content. read more

A few of Jupiter’s moons have been found to have water or water ice in their atmosphere or on their surface. Europa is the most important source of water in the system. Europa is thought to have an iron core, a rocky mantle and a surface ocean of salty water. read more