What gives Mars its red-orange appearance?
What is the color of Mars' surface?
What is the reddish color of Mars' surface due to?
What are the distinctive chemical features of Mars?
What is the significance of Mars' red color in fiction?
What are the names of Mars' natural satellites?
What elements are present in Martian soil?
What is the color of the Martian sky?
What minerals are present in Martian soil?
How do the motions of Phobos and Deimos appear from the surface of Mars?
What minerals are found on the Martian surface?
What is the mineralogy of Mars?
Why is Mars called the Red Planet?
What is the composition of Mars' surface?
What are the two natural satellites of Mars?