text: The author has written in problem/solution format and gives solutions to the problem that Venus is too dangerous for humans to study. Although they give the problem and solution, they do not give enough evidence to support their claim. For example, "Striving to meet the challenge presented by Venus has value, not only because of the insight to be gained on the planet itself, but also because human curiosity will likely lead us into many equally intimidating endeavors" (The Challenge 8). This evidence is only given in the last paragraph of the article and is not mentioned anywhere else. Also, the author lists many of the dangers of traveling to Venus, but does not dictate why it is worth the risk of exploring the planet.