Must be my vivid imagination: > Within the root network, residents will have > their private spaces protected from harsh > radiation, meteoroid imp

Must be my vivid imagination: > Within the root network, residents will have > their private spaces protected from harsh > radiation, meteoroid impact, and thermal > environment. > [...] > The radiation protection will be enhanced by > the inclusion of a layer in the shield > consisting of a water reservoir. > [...] > This [regolith layer] layer can also serve > as shielding from solar and cosmic radiation > fields. The thickness of the layer would be > variable, with thicker construction in the > directions with greater sun exposure. > [...] > The weight of the regolith sandbags will > provide protection from radiation and > impact; If they're not worried about radiation why would they construct walls that are thicker on the side that faces the sun?