It will be a lot easier having an independent colony on Mars and the experience building it.
There is actually a plan (google Integrated Space Plan) that lists detailed steps, that lead towards or assist making humanity an interplanitary civilisation.
It will be a lot easier having an independent colony on Mars and the experience building it.
There is actually a plan (google Integrated Space Plan) that lists detailed steps, that lead towards or assist making humanity an interplanitary civilisation.