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Re:Elon Musk Publishes Plans for Colonizing Mars by babyrainbow on Friday June 16, 2017 @02:55PM (#14571729)
Did you also count the amount of lives that could be saved here on earth for the same amount of money.

What about their descendants? (by the way, who has a much better chance of surviving here on earth than in the fragile conditions in what ever planet)...

Re:Elon Musk Publishes Plans for Colonizing Mars by ceejayoz on Friday June 16, 2017 @04:15PM (#14572310)
If you're going for raw cost/benefit, there's a good argument to be made for the cost/benefit ratio of being a multi-planet species safe from planet-killing asteroids etc.