"There is a level of predictability to evolution."
Oceans provide a safe place for life to evolve.
No matter what, microbial hitchhikers will definitely be introduced to the Martian environment.
"If we can imagine it, it's probably out there on a planet somewhere."
"There are a lot of places that there could be life. Now the big question is, are they trying to make contact, or do they want us to try?"
Most civilizations may exist briefly, and end badly.
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