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)
... begun to produce an underground newspaper of the same name. First printing at August 1941 was 15.000. Paper survived through the occupation. Group also had espionage and ...