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Signs of underground ocean found on Saturn moon

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An ocean at least as large as Lake Superior lies below a thick layer of ice on a moon of Saturn, new data from NASA’s Cassini spacecraft suggests.

The results,¬†published in the journal Science, support earlier signs that this small moon has liquid water. That means Saturn’s sixth-largest moon could have been — or could now be — hospitable to life.

This discovery puts Enceladus in an exclusive club of extraterrestrial worlds in the solar system that appear to have a subsurface water ocean.

The others are Titan, another moon of Saturn, and Europa, a moon of Jupiter. Callisto and Ganymede, also moons of Jupiter, may also have oceans under ice.