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A comment on Why Not Mars. Parent comment
c/when/if
When your primary plan isn't working, you fix that first. Ideally, the backup plan is never needed.
If your house is on fire, you don't start building a second house, you put out the damn fire.
Also, it would be pretty dumb to put a backup in place more dangerous than the original. It would be like building your second home inside a volcano.
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c/when/if
When your primary plan isn't working, you fix that first. Ideally, the backup plan is never needed.
If your house is on fire, you don't start building a second house, you put out the damn fire.
Also, it would be pretty dumb to put a backup in place more dangerous than the original. It would be like building your second home inside a volcano.