Show mars PUBLIC g ar LIC miles miles mile wide terra terra term misnomer observation polar measure earth lowell doug question inhabitation mars less since began study planet scientific mars especial interest astronomer nearest superior orbit being next earth fourth order sun planet under mars though venus interior interior inferior mare mare mars opposition dis same meridian yet venus bark bark hark hemisphere toward earth MAM 1877 milan thought network fine equatorial planet nature still open question must least sixty lin X ion object side mars mars mare lake sun oval spot above center diameter miles fine telescope seeing similar divide region tour tour four equal doubtful lake lake water double seen great sea radiate various double 13 double seen lower left picture single way seen body planet various you see round few miles miles diameter oases professor lowell see oases along wonderful system object must however wonderful seen upon planet AV NI PLANET MARS drawn del del dew del dew pew lass flagstaff during period mars opposition earth professor Dr allegheny observatory whose instrument thus picture mars you see north polar cap mars shown bottom picture south pole top way telescope lowell douglass found snow south pole mars cornea down during winter mars far york earth yet know white snow polar cap long winter mars almost snow earth why form seen snow too luxuriant during mars snow possible temperature atmospheric appear exist create snow solid carbonic acid rather frozen water pol ar |