ocr: Class C planets have extremely thin Oxygen- Nitrogen atmospheres. Specific gravity from 0.5 to 1.? Earth normal. hieteorologically unstable causing violent conditions. Temps range from -10 to -190 degrees Celsius. Full life support necessary for colonization and death rates are high. No workable soil base sO hydroponic Urganics are limited. Modest mineral and chemicals exist sO production of Ore and Equipment will be below average to none. Class C planets NOT recommended for colonization as their violent condition make it extremely hazardous. Some Class C planets have been adopted by the Feder ...