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Comment: Re:Astrobiology (Score 2) 25

by MightyMartian (#47561641) Attached to: Enceladus's 101 Geysers Blast From Hidden Ocean

And what would you define something that didn't ingest, metabolize, excrete, reproduce and have some sort of system of heredity? Other chemical processes; like fire and crystallization, might hit some of these marks, but we don't call them living systems. So while the precise chemical processes, heck maybe even many of the chemical elements involved may be different (silicon-based life on Titan or something like that), I think at the end of the day if it going to be called life, it has to have the same basic features as terrestrial life.

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