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== The planet where they almost settled in "Light" [[Apocalypse How|suffered a recent ecological catastrophe]]. ==
Spectrographic analysis indicated Nitrogen, Oxygen, liquid water, and only trace amounts of Carbon Dioxide. Not only does that last one indicate a lack of plant life, as mentioned, it also indicates a lack of animal life necessary to produce
** Just as possibly it's a very young planet and life is just beginning to get a toehold there.
*** Doesn't really fly; as said above, you just can't keep free oxygen in an atmosphere; you need some process that releases the oxygen from the oxides it inevitably forms. That means life. On the other hand, you could presumably have a soil rich in carbon compounds that provided a plant with everything it needed (aside from light) for photosynthesis; said plant could also sequester excess carbon dioxide produced during respiration to keep the
== The ship is sentient. ==
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