text: Previous missions that were unmaned by the spacecraft was issue why it's one spaceships touch on venus in more than a decades. Challeging for humans to study planets. Atmousphere is thick almost 97 percent carbon deoxcide blankets venus. The planet surface tempertures rase averageover 800 degrees Fahrenhit,pressure is 90 times greater than what humans seen, that amount of pessure would crush a submarine. Geology compare it to an erupting valcano ,powerful eathquak.