Solar System : Which planet is known as the 'Red Planet'?

Mars is called the 'Red Planet' due to the presence of iron oxide or rust particles on its surface that give it a reddish appearance. Its unique color makes it easily distinguishable in the night sky. Mars has a thin atmosphere primarily composed of carbon dioxide, and its surface features include the largest volcano and canyon in the solar system. The reddish hue symbolizes the oxidized iron prevalent on the planet’s surface.