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by LandStander 986 days ago
Water mined from the moon might be much cheaper by the time something like this is built. That being said, a giant sterile swimming pool seems like an odd feature for an interplanetary spacecraft. I'd rather see a well-balanced aquatic habitat, if anything.
2 comments

It could very well double as emergency reaction mass/ring weight trim/liquid radiation shielding/source of drinkable water and oxygen. :)
or capture a small comet!