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Join Date: Jul 2013
Posts: 36,685
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Join Date: Jul 2013
Posts: 36,685
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The planet is much "older" than it was when current life was evolving. The various climate changes, little things like what chemicals (and in what ratios) are in the atmosphere etc. means it's very unlikely that humans just as we are now would be the result. The life that would evolve could be pretty much anything. There's no guarantee that sentient life would even evolve at all... might just be a planet of bugs, or fish.
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