But new modeling led by Daniel Lalich of the Cornell Center for Astrophysics and Planetary Science offers a simpler explanation. Lalich’s team showed that small changes in water ice layers can cause radar waves to interfere, creating reflections that match those observed. These results suggest that bright signals initially thought to be liquid water can arise through known mechanisms that do not require exotic explanations.
Although he does not completely rule out the existence of liquid water, Lalich remains skeptical. “The idea of liquid water near the surface would be exciting, but I don’t think it’s there,” he concluded.
Source: Ferra
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