AI Summary

Saturn’s moon Enceladus contains a global ocean hidden beneath its icy crust, and fractures near the south pole vent material from this ocean into space as a plume of water vapor and ice particles. The ejected ice grains provide scientists with a rare chance to study an extraterrestrial ocean directly, without having to drill through the moon’s thick ice shell. Researchers can analyze the composition of these particles to learn about the chemistry of Enceladus’ subsurface water.

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