Cassini measurements suggest hydrothermal activity on Enceladus that could support methanogenesis. Bayesian analysis of models simulating an abiotic or biotic ocean indicates the latter is more probable so long as abiogenesis is sufficiently likely to occur.
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This work was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration (80NM0018D0004). US government sponsorship acknowledged.
The authors declare no competing interests.
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Barge, L.M., Rodriguez, L.E. Life on Enceladus? It depends on its origin. Nat Astron 5, 740–741 (2021). https://doi.org/10.1038/s41550-021-01382-4
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