Space/Science — HabitableZone

Space/Science » in reply to re: I agree with you entirely here: there is no economic justification for manned Mars missions

There is no economic justification for manned Mars missions
E.P. Grondine — (archived)

That would be great. But Mars lacks a molten core, and lacks a magnetosphere, and thus the radiation levels are relly high. Even releasing an atmosphere by diverting an asteroid or comet would not do much to change this. I wish that it could, but it can't.

Second, Mars' gravity is 1/3 that of the Earth's. I don't know how well the human body would react to long term expoure to that, but I suspect that it would not be well.

But let's say that these problems can be dealt with. That brings us to problem three, which is that the transit costs are likely to be so high that they severely restrict the number of people who can be sent. Certainly no one will be able to afford them out of pocket.

If CAPS is shot down by the Mars cultists, those transit costs will likely remain so high that no one will be sent.

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