Our government spends billions trying to determine if life exists or could exist elsewhere in the universe. (3/11/14 Health & Science) It would make sense to delay these costly missions until more conditions are met: 1. We can safely get to these places. 2. It has a practical purpose requiring life, e.g. colonization, resource mining needing live operators, etc. Otherwise the question of life elsewhere is just a useless fact, unable to pay its way, even in the advancement of science. We have already found life deep in the ocean next to volcanic steam vents. Is there any practical use of this yet?
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