text: The author support's the idea by saying ," Each previous mission was unmanned , and for good reason , since no spacecraft survived the landing for more than a few hours . Maybe this issue explains why not a single spaceship has touched down on venus in more than three decades . Numerous factors contribute to venus"s reputation as a challenging planet for humans to study , despite its proximity to us ". Also the author talk's about venius having no value . The author say's that Venus has no value because human curiosity will likely lead us into many equally intimidating endeavors .