text: One of the things that Venus is dangerous becasue of its thick atmosphere of almost 97 percent carbon dioxide blankets the planet. The danger of this is that the clouds are made up of highly corrosive sulfuric acid. The acid can nearly kill you if there is a little bit touching you in any shape or form. Otherwise, Earth surface is on a average of over 800 degrees Fahrenheit, and the pressure is 90 times that what we have on our planet.