Planet Mars in the solar system NASA Keychain

Planet Mars in the solar system NASA in space for those landing on mars Mars is the fourth planet from the Sun in the Solar System. The planet is named after the Roman god of war, Mars. It is often described as the Red Planet as the iron oxide prevalent on its surface gives it a reddish appearance.Its surface is rocky, with canyons, volcanoes, dry lake beds and craters all over it. Its surface is rocky, with canyons, volcanoes, dry lake beds and craters all over it.