text: The first reason why it is challenging is that a thick atmosphere of almost 97 percent carbon dioxide runs through Venus. In the passenge it states," on the planet's suface temperatures average over 800 degrees fahrenheit, and the atmosphere pressure is 90 times greater than what we experience on our own planet. "This piece is important because it gives you an example of how the temperature is really high. Plus, the perfect temperature for a human is 98.