According to the comparison table, what is the primary 'solvent' offered by Enceladus versus Titan?

Answer

Global water ocean for Enceladus and surface methane/ethane for Titan

The comparison highlights that the fundamental difference between the two moons, especially concerning searches for water-based life, lies in the nature of their liquid medium, or 'solvent.' Enceladus provides a warm, salty, liquid water ocean that is actively mixed with rock, mirroring conditions thought vital for the origin of terrestrial life. In stark contrast, Titan presents an exotic chemical environment dominated by liquid methane and ethane on its surface. While Titan may harbor a deep water ocean, the confirmed surface liquid is hydrocarbon-based, requiring a massive conceptual shift for biochemical expectations, thus making Enceladus the superior target for established models of life chemistry.

According to the comparison table, what is the primary 'solvent' offered by Enceladus versus Titan?

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