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A comment on Mars’ underground brine could be a good source of oxygen. Parent comment

Re:Mars’ underground brine could be a good source of oxygen by kilroy123 on Wednesday December 02, 2020 @09:05AM (#25276403)
Some argue it makes way more sense to build and colonize space in O'Neill cylinders instead. You can have "nice" artificial environments and gravity that matches Earths.

You can have one orbit Mars and pop down anytime for short duration missions.

https://en.wikipedia.org/wiki/O%27Neill_cylinder

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