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There is one point I do not understand in your criticism: Musk makes it pretty clear that the plan includes a return ticket for anyone going to Mars. It does no

There is one point I do not understand in your criticism: Musk makes it pretty clear that the plan includes a return ticket for anyone going to Mars. It does not seem hard to extend that to any child of colonist that would want to go back to earth.

posterboy 9y ago
> you do not want to subject a growing human body to gravity even slightly different from earth surface > spending a week in Death Valley will look like an incredibly attractive prospect for them, but even dying of exposure [to germs, I suppose] there will be utterly out of reach.