text: STUDENT_NAMEVenus is the closest planet to earth in terms of density and size. Venus is a planet in the solar system, it is the second planet from the sun. It has proved a very challenging place to examine more closely. Venus is often referred to as Earth's twin, Earth, Venus, and Mars, our other planetory neighbor, orbit the sun at different speeds. a thick atmosphere of almost 97 percent carbon dioxide blankets venus. Even more challenging are the clouds of highly corrosive sulfric acid in venus's atmosphere.