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A comment on Elon Musk argues that putting a million people on Mars ensures humanity's future. Parent comment

Re:Elon Musk argues that putting a million people on Mars en... by seanflyon on Tuesday September 30, 2014 @06:14PM (#8391673)
A sufficiently large impact.
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Re:Elon Musk argues that putting a million people on Mars en... by chc on Tuesday September 30, 2014 @07:15PM (#8391973)
Sufficiently large to do what?
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Re:Elon Musk argues that putting a million people on Mars en... by seanflyon on Tuesday September 30, 2014 @07:45PM (#8392082)
Destroy life on earth. I phrased it as a tautology to be humorous, but very large impacts are possible. I doubt life would survive an impact such as the one we hypothesized to have created the moon.

http://en.wikipedia.org/wiki/Giant_impact_hypothesis

"collision between the Earth and an astronomical body the size of Mars"

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