Mars 4

Part I of Essay
Mars Mars,is a planet in the solar system.I'ts named for the Roman god of war Ares.Mars is the fourth planet from the sun.Mars has two small heavily craterd moons,Phobos and deimos,astronomers think ....

Part II of Essay
.... have similar but even more weatherd and rusted material that apparently contain more fine, dust-sized particles than they do the dark reigons. The mineral scapolite,which is rare on Earth,seem's wide spread; it may serve as a store for carbon dioxide in the atmosphere. Bright caps, apparntly made of frost or ice, mark the planet's polar regions . their seasonal cycle has been followed for almost two centuries .Each Martian autumn, bright clouds form over correct pole.Bellow what is called polar hood , a thin cap of carbon dioxide frost is let ....