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Enceladus is the sixth-largest moon of Saturn and the 18th-largest in the Solar System. It is about 500 kilometers (310 miles) in diameter, [5] about a tenth of that of Saturn's largest moon, Titan. It is mostly covered by fresh, clean ice, making it one of the most reflective bodies of the Solar System.
Parts-per-million chart of the relative mass distribution of the Solar System, each cubelet denoting 2 × 10 24 kg. This article includes a list of the most massive known objects of the Solar System and partial lists of smaller objects by observed mean radius. These lists can be sorted according to an object's radius and mass and, for the most ...
Enceladus' south pole, captured by NASA's Cassini-Huygens spacecraft, 2015. The Enceladus Orbilander is a proposed NASA Flagship mission to Saturn's moon Enceladus.The Enceladus Orbilander would spend a year and a half orbiting Enceladus and sampling its water plumes, which stretch into space, before landing on the surface for a two-year mission to study materials for evidence of life. [1]
Enceladus may have liquid water underneath the south-polar surface. [56] The source of the energy for this cryovolcanism is thought to be a 2:1 mean-motion resonance with Dione. [56] The pure ice on the surface makes Enceladus one of the brightest known objects in the Solar System—its geometrical albedo is more than 140%. [56]
System Article Notes Europa: Jupiter: Colonization of Europa: Thought to have a subsurface ocean maintained by geologic activity, tidal heating, and irradiation. [33] [34] The moon may have more water and oxygen than Earth and an oxygen exosphere. [35] Enceladus: Saturn: Enceladus – potential habitability
Saturn’s moon Enceladus, with a 313-mile diameter, regularly emits icy geysers, ... “The same minerals are forming today on icy moons of the outer solar system.” ...
The combination of material found in the samples suggests chemical building blocks of life were widespread throughout the solar system, providing strong evidence that the asteroids bombarding ...
Of the twenty known natural satellites in the Solar System that are large enough to be gravitationally rounded, several remain geologically active today. Io is the most volcanically active body in the Solar System, while Europa, Enceladus, Titan and Triton display evidence of ongoing tectonic activity and cryovolcanism.