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Well, to make a desert planet habitable, you will need oxygen, unless your 1870's cowboys live in domed towns, which seems incongruous. Humans need to breath oxygen! You will also need water (could...
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Well, to make a desert planet habitable, you will need oxygen, unless your 1870's cowboys live in domed towns, which seems incongruous. Humans need to breath oxygen! You will also need water (could...