Jupiter’s moon Europa is one of the most promising worlds in the solar system to look for alien life, in large part because it boasts a huge liquid ocean sitting below a sheet of ice
reveals that the icy shell itself might be much more porous than previously thought. In fact, the ice might be home to multiple pockets of water that could support life as well.
“It was really a bit of serendipity,” Riley Culberg, an electrical engineer pursuing a PhD at Stanford University who led the new study, told The Daily Beast. “One of my colleagues on this paper, who is a planetary scientist, was giving a presentation on the big open questions in Europa science and showed a picture of these double ridges on the surface.
Artist’s conception shows how double ridges on the surface of Jupiter’s moon Europa may form over shallow, refreezing water pockets within the ice shell.We know that the double ridges form in Greenland when ice fractures around pockets of pressurized liquid water that was refreezing inside the ice sheet, prompting two peaks to rise in a specific shape. These pockets of water are shallow and help make the ice sheet more porous.
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