Other than a basically unlimited supply of CO2 however, what would the advantage be compared to a just a space station?
With Mars, you can mine building materials from the surface.
With Mars, you can mine building materials from the surface.
Attach hydrogen, you get rocket fuel. Or plastic. Bind in some nitrogen, you can have proteins. There is probably silane lower down; send down a balloon to collect it, for silicon. Or all the way to the surface, to collect rocks.
Nuke power is totally practical there; no shielding needed, or worry about leaks; you just hang it a mile below your living-space balloons.
I know that we know that zero-G is a negative, but do we have any idea if it's a threshold that needs to be reached, a linear response to G-force that scales from untenable to fine, etc?