control of the government of a state, community, or other body by its own members; democratic government. the condition of being self-governed.
Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System, after Mercury. Named after the Roman god of war, it is often referred to as the Red Planet because the iron oxide prevalent on its surface gives it a reddish appearance.
Mars is the focus of much scientific study about possible human colonization. Mars' surface conditions and past presence of water make it arguably the most hospitable planet in the Solar System besides Earth. Mars requires less energy per unit mass to reach from Earth than any planet, except Venus. Permanent human habitation on other planets, including Mars, is one of science fiction's most prevalent themes. As technology advances, and concerns about humanity's future on Earth increase, argument