text: Venus hasnt been explored since it is way to dangerous to be explored. They would send ships that are unmanned,because when ever they would send people that were inside the paceship they would not survive the landing. That is the main reason why they havent landed there or try to land there in three decades. A thick atmosphere of almost 97 percent of carbon dioxide covers Venus. The passage states that "Even more challenging are the clouds of highly corrosive sulfic acid in venus Atmosphere. On the planets surface,temperatures average over 800 degrees Fahrenheit,And the Atmoshperic pressure is 90 times more greater then what we experience on our own planet".