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Water Geysers on Saturn’s Moon

By Guest PostAugust 1, 2013Sciencecassini spacecraft, christophe sotin, cornell university, data, enceladus, enceladus plume, galileo, gravity, hydrocarbon composition, icy surface, instrument, ithaca, jet propulsion laboratory, linda spilker, matt hedman, moon, moon of saturn, NASA, organic material, robert brown, saturn, saturn gravity, saturnian moon, seismological signs, tiger stripes, titan, university of arizona, vims, water geysers

A new study published in Nature this week describes the forces that control the jets of water and organic material that erupt from the icy surface of Enceladus, a moon of Saturn. UA scientists contributed data to the study.

The intensity of the jets of water ice and organic molecules that shoot out from Saturn’s moon Enceladus depends on the moon’s proximity to the planet, according to data obtained by NASA’s Cassini spacecraft. The finding, detailed in the journal Nature this week, is the first clear observation that shows the Enceladus plume varies in a predictable manner. (more…)

NASA’s Galileo Reveals Magma ‘Ocean’ Beneath Surface of Jupiter’s Moon

A new analysis of data from NASA’s Galileo spacecraft has revealed that beneath the surface of Jupiter’s volcanic moon Io is an “ocean” of molten or partially molten magma.

The finding, from a study published May 13 in the journal Science, is the first direct confirmation of such a magma layer on Io and explains why the moon is the most volcanic object known in the solar system. The research was conducted by scientists from UCLA, UC Santa Cruz and the University of Michigan–Ann Arbor. (more…)

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Water Geysers on Saturn’s Moon

NASA’s Galileo Reveals Magma ‘Ocean’ Beneath Surface of Jupiter’s Moon