HELP FROM THE DEPARTED. For their paper, the scientists relied on data from NASA's Cassini spacecraft, which plunged into Saturn's surface in September 2017. During a flyby in 2015, the craft detected hydrogen within the materials emanating from the cracks in Encledaus's surface. Hydrogen sometimes serves as an energy source for microbes living near hydrothermal vents in the Earth's oceans, so the researchers suspect that Encledaus's hydrogen formed due to the moon's own hydrothermal activity.
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