Mars Rovers. Spirit. Oportunity. Curiosity. Mars Rocks. Mission to Mars. Mars has a reddish-orange color caused by the iron-rich minerals in its soil.
A fine-grained reddish dust blankets the planet and can be lifted into the atmosphere when blown by the wind. Martian dust storms range from small " dust devils " to an occasional spectacular event that shrouds the entire planet for months. Mission to Mars.