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A comment on The Argument Against Terraforming Mars (2016). Parent comment

Re:The Argument Against Terraforming Mars (2016) by calcifer on Sunday June 04, 2017 @10:32AM (#14481769)
So? How does that add any urgency to our current situation on earth?
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Re:The Argument Against Terraforming Mars (2016) by jbooth on Sunday June 04, 2017 @11:26AM (#14482005)
I bought a condo on a 100-year flood plain back in the day.

Had 2 100-year floods, the first 2 springs I owned it.

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Re:The Argument Against Terraforming Mars (2016) by freehunter on Sunday June 04, 2017 @04:15PM (#14483270)
A million year asteroid could hit almost literally at any moment.
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Re:The Argument Against Terraforming Mars (2016) by calcifer on Sunday June 04, 2017 @04:57PM (#14483458)
Yeah, not really. With the current state of various spaceguard projects working on mapping NEOs (near-Earth objects), the estimated "heads up time" for an extinction level asteroid impact is on the order of decades. The smaller the object, the less notice we get, but the risk also decreases dramatically.
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