Planet mars is a fourth planet next to earth, mars is a red planet, the last of the rocky inner planet (rocky planet are those planet that typically nearest to sun these are the mercury, venus , earth and the mars) mars was known as red planet because its color comes from the reaction of its rock with oxygen. Mars is to be a barren planet. The soil is coated with iron oxide and rust, on the other hand there is no liquid water, frozen water can be found in the northern icecaps which nevermelts and the southern cap icecaps is made mostly of frozen carbon dioxide. Mars have two moon the Phobos and Deimos and about 228; million km away from the sun, the atmosphere composed of carbon dioxide, nitrogen , argon , oxygen and water vapor..
