This means if the Note: the above equations are based upon the work of Jill Tarter and Margaret Turnbull.They were not trying to figure out which stars could host a human habitable planet.
Perhaps they will evolve a distinctive sense of identity apart from planetary endemism, or they may go in search a of world to call home.
Human instincts for planetary life will be seamlessly exapted for life on Mars, and, farther in the future, for life on other planets.
The Martian settlers would have a homeworld, albeit a homeworld other than Earth.
While the prior page was more about colonization motivation and methods, this page is more about good planets, hell-hole planets, scouting good planets, and changing hell-hole planets into good planets. This is because they generally start from a point (the homeworld) and expand in all directions like blowing up a balloon.
Which means they are subject to a sort of cube law.