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The ELF mission would search for biosignature and biomolecules in the geysers of Enceladus. The south polar jets loft water, salts and organic molecules dozens of miles over the moon's surface from an underground regional ocean. The theory is that the water is warmed by thermal vents similar to features found deep in Earth's oceans. ELF's instruments would measure amino acids — the building blocks of proteins — analyze fatty acids, and determine whether methane (CH4) found in the plumes could have been produced by living organisms.

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  • Enceladus Life Finder
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  • The ELF mission would search for biosignature and biomolecules in the geysers of Enceladus. The south polar jets loft water, salts and organic molecules dozens of miles over the moon's surface from an underground regional ocean. The theory is that the water is warmed by thermal vents similar to features found deep in Earth's oceans. ELF's instruments would measure amino acids — the building blocks of proteins — analyze fatty acids, and determine whether methane (CH4) found in the plumes could have been produced by living organisms.
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abstract
  • The ELF mission would search for biosignature and biomolecules in the geysers of Enceladus. The south polar jets loft water, salts and organic molecules dozens of miles over the moon's surface from an underground regional ocean. The theory is that the water is warmed by thermal vents similar to features found deep in Earth's oceans. ELF's instruments would measure amino acids — the building blocks of proteins — analyze fatty acids, and determine whether methane (CH4) found in the plumes could have been produced by living organisms. In 2008, the Cassini orbiter was flown through a plume and analyzed the material with its neutral mass spectrometer. The orbiter detected simple organics, including methane (CH4), carbon monoxide (CO), carbon dioxide (CO2) nitrogen, and complex organic compounds. Cassini also detected sodium and potassium at a concentration implying a salty liquid ocean. However, Cassini does not have the equipment with the sensitivity required for direct analyses.
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