The space colonies are always extreme projects.

When we are trying to model things like some colonies far away from civilization we must realize that those colonies are extreme projects. Extreme projects require extreme people, who want to put everything into those projects.

Only extreme people can handle things in extreme conditions. The colonies far away from the civilizations like cities are, of course, extreme projects. But those colonies are located on Earth. And those people can sail away from those colonies if something goes wrong.

If something goes on the moon the rescue craft will come to the base after a couple of days. And that thing is that those couple of days might feel very long. There are planned hypothetical moon cities. Even if the gravitation on the moon is very weak those colonists can use so-called sumo suits for keeping their muscles in condition. So those heavy clothes can compensate for the weak gravitation.

But when we are thinking about things like Mars stations the conditions are even more extreme. If something happens far away from Earth. There is nobody who can come to help. Even if something very bad happens the crew must wait until the next launching window for return. And the worst things are social problems.

Maybe those problems are not with the first crews. Those people who are living in the first Mars and moon bases are very well selected. But if some nations want to exploit especially Mars and the asteroid belt that requires larger scale infrastructure. If explorations extend to Saturn and even Neptune and Kuiper belt that requires people who want to spend almost their entire life far away from the home.

Maybe the future looks like this.

When the mining industry turns larger. That requires more people. The size of the bases is increasing. And sooner or later the first people will be born in space colonies. Earth is a distant and strange place for people who sees the blue planet only on the computer screen.

And that means the size of bases will increase. So when the need for a workforce increases that means. Selectors must decrease the requirements of those people. And if the population of Mars increases to 100 000 or even a million people. There are always people who have some problems. And there is a possibility even of rebellion.

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