text: Second, they explain how it affects us in our ordinary way of living. They answer the question of, If it is so dangerous why study more? They found that it could have been another Earth once. I know this because in the text it says, "Astronomers are fascinated by Venus because it may well once have been the most Earth-like planet in our solar system...The planet suface of rocky sediment and includes familiar features such as valleys, mountins, and craters,"(paragraph 4). This means that by studying it no matter it's condition we can to learn about it and why Venus is in the condition it's in, maybe to even prevent it for Earth.