text: 6. https://www. pantagraph. com/news/opinion/mailbag/texting-while-driving-puts-others-at-risk/article_403288a0-b77c-11de-9bf8-001cc4c002e0. html   The author is evaluating how to explore Venus because it is the most familiar planet to Earth. But he is up in the air about trying to do some reasearch on the planet Venus because they have sent aircrafts to the planet before but none of them have been able to topuch down on Venus.