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Reply July 10, 2021 TUCSON, Ariz. An unknown methane-producing process is likely at work in the hidden ocean beneath the icy shell of Saturn s moon Enceladus, suggests a new study published in Nature Astronomy by scientists at the University of Arizona and Paris Sciences & Lettres University. Giant water plumes erupting from Enceladus have long fascinated scientists and the public alike, inspiring research and speculation about the vast ocean that is believed to be sandwiched between the moon s rocky core and its icy shell. Flying through the plumes and sampling their chemical makeup, the Cassini spacecraft detected a relatively high concentration of certain molecules associated with hydrothermal vents on the bottom of Earth s oceans, specifically dihydrogen, methane and carbon dioxide. The amount of methane found in the plumes was particularly unexpected.

France generalUniversity of arizona department ecologyParis sciences lettres universityUniversity of arizonaMethane in the plumesNature astronomyParis sciencesCould earthlikeArizona departmentEvolutionary biologyபல்கலைக்கழகம் ஆஃப் அரிசோனா துறை சூழலியல்பல்கலைக்கழகம் ஆஃப் அரிசோனாஇயற்கை வானியல்பாரிஸ் அறிவியல்அரிசோனா துறைபரிணாம வளர்ச்சி உயிரியல்