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Are They Eating Rocks?
Sooyu can actually think about it like the microbes that live on your teeth. They're coating the rock and extracting energy from it through sea water or sea ice. And they just absorb it thoughso they bring it into their cell and crate energy. So if life exists in those environments, we can study,. as julie does, the metabolisms, the way in which they feed off the rocks. We can then see whether or not, some day, with our robotic vehicles, whether or not life exists.