The Bruce Murray Space Image Library
Interiors of icy bodies in the solar system (as of 2010)
Filed under Enceladus, Titan, Rhea, dwarf planets beyond Neptune, Saturn's moons, Jupiter's moons, trans-neptunian objects, Pluto, pretty pictures, scale comparisons, Charon, Eris, Triton, Neptune's moons, Uranus' moons
Many bodies in our solar system may contain oceans. Jupiter's ice-coated moons (Europa, Ganymede, and Callisto) probably contain internal saltwater oceans. The more distant large and medium-sized icy moons, the icy dwarf planets, and tiny Enceladus may contain colder ammonia-water oceans. Oceans in icy satellites could be a common feature throughout the universe, while Earth's surface ocean may be the more unusual case. These interior models were developed by many geophysicists from data about the sizes, densities, and orbital characteristics of each body.
Doug Ellison, Emily Lakdawalla, and Bob Pappalardo. Internal models based mostly on Hauke Hussmann, Frank Sohl, and Tilman Spohn, 2006, except for Titan (Giuseppi Mitri et al., 2010) and the Galilean moons (Bob Pappalardo, personal communication).
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Original image data dated on or about January 1, 2010
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