Mars has seen the most settlement. No terraforming is done early, as that remains beyond the technological reach of Earthlings. However, the colonies are entirely self-sufficient by this point.
https://en.wikipedia.org/wiki/Colonization_of_Mars
Mars has seen the most settlement. No terraforming is done early, as that remains beyond the technological reach of Earthlings. However, the colonies are entirely self-sufficient by this point.
https://en.wikipedia.org/wiki/Colonization_of_Mars