text: venus mission is was unmanned and no spacecraft survived the landing no spaceships arrived on venus for "3 decades"many factors said that venus is an challenging planet for humans to study .planet temps are up to 800 degrees fahrenheit. the atmospheric pressure is is 90 times greater .venus has the hottest surface tempture then any planet there is. it presents additional impedimits like natural desaters .for example strong eartquakes and erupting valcanoes .