The Planet Mars

This 10-question quiz explores Mars, the famous red planet and a long-time favorite for stargazers.

You will answer fill-in-the-blank and true or false items, with questions such as Name the most abundant gas present on Mars. and Who first studied Mars through a telescope?.

Something worth knowing is that a single year on Mars lasts about two Earth years, since the planet takes much longer to circle the Sun.

You will also read about Olympus Mons, which holds the title of the largest volcano anywhere in the solar system.

Recommended level: intermediate.