Thin Oxygen/Nitrogen atmosphere. Specific gravity within 0.5 to 1.5 Earth normal. Weather patterns are mostly dry and hot with temperatures ranging fron 40 to 140 degrees Celsius. Little area of fertile soil, very bad for Organics. Very little precious metal making it bad for Equipment production. Common Chemical traces making it great for Fuel Ore. Class K worlds are average for humanoid colonization but an arrid and hot climate requires specialized colonists. Narrow habitability band but a generally stable political environment as the population must depend on each other to survive. Higher fatality rate than Class M worlds.