[jdiaz5513]

Or maybe the people who get there can just agree to cooperate instead and share the land, unlike how we do things down here.

One can dream.

[azernik]

This is actually the way the Outer Space Treaty is written - a state party to it retains jurisdiction over any object it launches, but is required to keep it open to "representatives" of other state parties.

For a more complete look at the legal issues involved, seehttp://www.thespacereview.com/article/3286/1