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> The modeling determined that having a spacecraft’s shell built out of a relatively thick material could help protect astronauts from radiation, but that if th
by dharmab 3y ago
> The modeling determined that having a spacecraft’s shell built out of a relatively thick material could help protect astronauts from radiation, but that if the shielding is too thick, it could actually increase the amount of secondary radiation to which they are exposed.
There is also no space suit that provides full protection against radiation in space.
- schiffern 3y ago> if the shielding is too thick, it could actually increase the amount of secondary radiation That's because the paper assumes aluminum shielding, not something more sensible like water/polyethylene. It's long been known that aluminum GCR shielding has a local minimum around 30 g/cm^2. Water and polyethylene don't have this problem. https://www.sciencedirect.com/science/article/abs/pii/S2214552416300992 https://www.sciencedirect.com/science/article/abs/pii/S22145...