It's a cool idea because those moons are thought to be the most likely places to find life in our solar system. Saturn and jupiter are gas giants, not rocky planets. Probably wouldn't work to well.
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You can't find life that far out in space. If earth was a few miles further from the sun we would all freeze
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One has liquid oceans under a thick ice surface and the other has methane lakes. Look it up if you don't believe me.
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Few miles away from sun we would freeze... You my friend went full retard