I actually think a ring or cylinder in space is a more practical idea than colonizing mars, because 1) you can get 1g earth gravity, 2) transportation to any ot

I actually think a ring or cylinder in space is a more practical idea than colonizing mars, because 1) you can get 1g earth gravity, 2) transportation to any other floating habitat or asteroid in the inner solar system is easy, 3) you have to build some kind of pressurized dome on mars anyway and 4) it’s easier to resupply from earth