Mars: The Red Planet
Mars , the fourth planet from the Sun, is often called the Red Planet due to its iron-rich surface, which gives it a reddish hue. It has been a major focus of space exploration as scientists search for signs of past or present life. Surface and Atmosphere Mars has a rocky terrain , featuring vast deserts, deep canyons, and the largest volcano in the solar system, Olympus Mons . Its thin atmosphere, composed mostly of carbon dioxide , makes it difficult to retain heat, resulting in extreme temper
