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View Diary: Getting to Know Your Solar System (37): Titan (Vol. 3) (44 comments)

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  •  We don't need to go to the Oort cloud (1+ / 0-)
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    Kuiper belt objects should have sufficient water and other volatiles.

    Nitrogen is far more common universally than argon (although about as common as neon).  Neon and argon don't chemically react very well, so they are not apt to bind to solids, so they would be more likely to disperse from the atmosphere than chemically active elements, like oxygen and nitrogen.

    Also, nitrogen is absolutely required for terrestrial life, as it is necessary for amino acid and nucleotide synthesis, as part of the nitrogen cycle.  

    Sigline? What Sigline?

    by Khun David on Mon Jun 17, 2013 at 05:55:12 AM PDT

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    •  Hmm, hadn't realized that. Good points. (1+ / 0-)
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      Khun David

      Now that I think about it, you probably don't even have to go to the Kuiper Belt.  Centaurs would probably work.

      Nothing makes a Republican angrier than a smile on a poor child's face.

      by Troubadour on Mon Jun 17, 2013 at 06:35:00 AM PDT

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