Overview

The Red Planet, fourth from the Sun and a prime target for future human exploration.

Key Insights

Mars is a fascinating subject within space & cosmos. The Red Planet, fourth from the Sun and a prime target for future human exploration. Mars has the largest volcano in the solar system, Olympus Mons. A day on Mars is only slightly longer than an Earth day. Mars has two small moons named Phobos and Deimos. Iron oxide on surface.