It's not possible because those are considered "common heritage of mankind", not to be owned by nations, corporations or individuals. http://en.wikipedia.org/w

It's not possible because those are considered "common heritage of mankind", not to be owned by nations, corporations or individuals. http://en.wikipedia.org/wiki/Outer_Space_Treaty http://en.wikipedia.org/wiki/Outer_Space_Treaty Also, it would be very difficult in practice to precisely and unequivocally define a specific area of empty interplanetary or interstellar space.