re what planets are habitable in apr arc ug eds com steveg arc ug eds com writes in article c w iyd fs ece cmu edu loss fs ece cmu edu doug loss writes dandridge cole and isaac asimov collaborated on a book titled habitable planets for man i think in it should be available in most good libraries or through inter library loan this is the high school science version the original rand study by stephen h dole planets for man gives the harder numbers graphs such but predates michael hart s later work on continuously habitable zones is this still in print or available other than on loan i remember reading this many years ago and it s still the best thing i remember in this vein insisting on perfect safety is for people who don t have the balls to live in the real world mary shafer nasa ames dryden fred mccall dseg ti com i don t speak for others and they don t speak for me
