Mars

Mars is the last part of the inner planets, or terrestrial planets. It is about half the size of Earth. It has two moons, Phobos and Deimos. Scientists believe that Phobos would crash into Mars in time. Mar’s surface is very red. It is red because its soil is very rich with iron and the air has rusted it greatly over the years. The rovers that have been to mars are Mars 2 and 3, Sojourner, Spirit, Opportunity, and Curiosity. The reason why we can get many rovers there are because it has a very thin atmosphere of CO2. If it had an atmosphere similar to Earth, everything would burn up before it reaches the surface.  Mars rover Opportunity has discovered water on mar’s surface in the form of two giant polar ice caps. It is named after the Roman god of war because of its blood-red color. Mars is a planet that we know much about, but still has some unknown information in it.