1,700 million km2 -- Total solid surface area of the Solar system potentially (if remotely) suitable for human habitation[1] (http://uts.cc.utexas.edu/~gwk/images/SolSys/SolSys)
... can be reauthorized.
While the Charter was adopted in 1982, it was not until five years later in 1987 that many of the provisions in it came into effect.
Under ...