Doug Holland

Radiation's definitely a problem for Mars missions. At least on Mars itself and the Moon, crews can do things like burying their habitats to protect themselves from the radiation.

Protecting crews in space is harder, since shielding can so easily blow a hole in the mass budget. Some shielding can be done, like borated polyethylene, or using bags of water or waste as radiation shields. That can bring the dose down, and a large enough ship could be equipped with a shielded storm shelter area. Unfortunately, that only mitigates the radiation a bit...

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Doug Holland

Doug Holland

Programmer. Cartographer. Beer-drinker. Occasional activist. Unrepentant geek. Sometimes I also write. Twitter: https://twitter.com/meldroc