Saturn’s moon Enceladus has long dazzled scientists with its icy plumes that spew water and mysterious organic molecules into space, fueling hopes of a habitable ocean beneath. But new experiments suggest the story may be more complicated. Researchers found that radiation bombarding Enceladus’s frozen surface could be producing many of the same organics detected in […]



Summary

New experiments challenge the established theory of Enceladus’s potential habitability. While its plumes of water and organic molecules have suggested a habitable subsurface ocean, research indicates radiation interacting with the icy surface could be generating similar organic compounds. This suggests that the presence of organics might not necessarily point to biological activity or a complex organic chemistry originating from the ocean. The finding complicates the interpretation of Enceladus’s plume composition and requires a reassessment of its potential for life.

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