The author support the idea that studying Venus is a worthy pursuit despite the danger by including fact and he explain in every detail. He explain that Venus is the closet planet to Earth in terms of density and size, and occasionally the closet in distance too. First, he say a thick atmosphere of almost 97 percent carbon dioxide blankets Venus, on the planet's surface, temperatures avererage over 800 degrees and pressure is 90 time greater than what we experience on our own planets. Second, Venus is hottest surface temperature of any in our solar system, these condition are far more extreme than anything huamns encounter on Earth; such as environment would crush even a sunmarine accustomed to dive deep part of oceans and would liquefy many metals, also venus was once convered with oceans. Third, the author say that NASA has one particular idea for sending human to study Venus, and he compared with a 'blimp-like vehicle hovering 30 or something miles above roiling Venusuian landscape'. He also included the World War ll technology called mechanical computer, and it doesn not required electronics. Finally, Venus is the hottest planet and it is beyond high pressure and heat. Astronomers are fascinated by Venus because it many well once have been the most Earth-like planet in our solar system. the authors example in every detail and why it is dangerous it presents. He explain that Venus is the hottest planet and it have very high temperature. Venus is simple to see from the distant but safe vantage point of earth, it has proved a very challenging place to examine more closely.