How do those in torpor respond to the short warnings on incoming radiation?

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Ultimately, we would plan to have the crew stasis pods shielding to be on par with a storm shelter. Since the surface area of these pods is fairly low, the parasitic shielding mass is tolerable.

We are also looking at the option to surround the habitat with the liquid hydrogen being used for the trans-Earth injection (TEI) propulsive burn upon Mars departure. With this, the crew would have additional protection during the outbound trip to Mars and in the event of an aborted surface mission that leaves them in orbit. During the return segment, the shielding level would be reduced, however.

With the mass savings provided by our approach, we can offer and afford radiation shielding levels that would otherwise be prohibitive for an ‘active’ habitat design.