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You're right, and they've discovered the replenishment mechanism, "the planet is flooded with ultraviolet or UV light. UV light breaks apart water molecules int
by jfoutz 10y ago
You're right, and they've discovered the replenishment mechanism, "the planet is flooded with ultraviolet or UV light. UV light breaks apart water molecules into hydrogen and oxygen" - so no evidence of life.
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Not exactly replenishment, water gets broken up into H and O, some of the H streams off into space, leaving stray Os floating around. In that case everything is just slowly boiling away into space.
- greeneggs 10y agoMy understanding of that article (and the associated preprint [1]) is that they have not detected oxygen, but are setting up theoretical models and simulations to account for oxygen that might be detectable in the future. [1] https://arxiv.org/abs/1607.03906 https://arxiv.org/abs/1607.03906