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A comment on Elon Musk Says SpaceX Will Send People to Mars by 2025. Parent comment

Re:Elon Musk Says SpaceX Will Send People to Mars by 2025 by rhino369 on Saturday January 30, 2016 @01:19PM (#11002995)
If you are worried about that, why not build a biodome in the antarctic instead. Or build millions of greenhouse farms to survive impact winter.

Even if you are really into space exploration, developing a comet pusher would be infinitely more valuable.

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Re:Elon Musk Says SpaceX Will Send People to Mars by 2025 by skorgu on Sunday January 31, 2016 @08:43AM (#11006347)
At least for the comet pusher, the tech needed to put a non-trivial number of humans on Mars has a ton of overlap with the tech needed to divert potential impacts.
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