the lunar / sun 's bottom contains many existence
moon has not many_craters moon has many_craters lunar_topographical_feature is lunar_stuff. bottom_of_ocean has not life bottom_of_ocean has life bottom_of_ocean is not dark_place. lunar_oceanus is dark_large_area. lunar_oceanus is lunar_stuff. lunar_oceanus is not dark_large_area. moon has cratered_surface