Energy, chemical disequilibrium, and geological constraints on Europa.

  title={Energy, chemical disequilibrium, and geological constraints on Europa.},
  author={Kevin P. Hand and Robert W. Carlson and Christopher F. Chyba},
  volume={7 6},
Europa is a prime target for astrobiology. The presence of a global subsurface liquid water ocean and a composition likely to contain a suite of biogenic elements make it a compelling world in the search for a second origin of life. Critical to these factors, however, may be the availability of energy for biological processes on Europa. We have examined the production and availability of oxidants and carbon-containing reductants on Europa to better understand the habitability of the subsurface… CONTINUE READING
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