Background Information The surface temperature of venus averages about 475'c and its atmosphere is about 95% carbon dioxide. Oxygen is very rare. The high temperature and near absence of oxygen on Venus make it unlikely that life as we know it could exist thereBackground Information The surface temperature of Venus averages about 475'C and its atmosphere is about 95% carbon dioxide. Oxygen is very rare. The high temperature and near absence of oxygen on Venus make it unlikely that life as we know it could exist there