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Message: <blockquote data-quote="Lord Satan" data-source="post: 1742814" data-attributes="member: 23806"><p>...just as a quick note, if your going Sci-fi, you could have a hypothetical advanced civilisation "push" Europa out of orbit to a much more distant orbit from Jupiter by the old fashioned method of multiple small fusion rockets since one side faces jupiter, this would have the dual benefit of making it easier to push out before stabilisjg it without having to rotate rockets and also means you can impart spin later... it also means when you use a presumably artifical means of igniting jupiter then Europa will be far enough to be habitable, it's ice will melt into oceans and it already has free oxygen trapped in the ice from previous eaons of photodissociation... it should be noted that even today, Jupiter actually radiates more heat than it recieves from the sun so as another alternative a VERY close moon could actually be heated enough from present day jupiter if it had a thick atmosphere of carbon-dioxide, oxygen and ozone (to protect against extreme radiation).</p></blockquote><p></p>