Which of the following options correctly identifies the truth of the statements regarding the solar system?

Statement 1: Mercury is the closest planet to the Sun and has a significantly thin atmosphere, resulting in extreme temperature fluctuations between day and night.
Statement 2: Venus is often referred to as Earth's "sister planet" due to its similar size and composition, but it has a much hotter surface temperature due to a thick atmosphere rich in carbon dioxide.
Statement 3: Mars is known for its reddish appearance, which is due to iron oxide (rust) on its surface, and it has the largest volcano in the solar system, Olympus Mons.
Statement 4: Neptune is the farthest planet from the Sun and is known for its prominent ring system, which is similar to Saturn’s rings.