Mars is the fourth planet from the Sun and rules Aries. Mars is named after the Roman god of war and has a rotational cycle of about two years. It was considered the ruler of Scorpio until the discovery of Pluto. Mars is exalted in Capricorn and is in its fall in Cancer. Mars denotes aggression in all its forms, and the sex drive. A well-placed Mars can show ambition and a go-getter approach, while a poorly placed Mars can show rashness, violence, ego, tyranny and anger. Sportsmen, warriors, criminals, surgeons, butchers and carpenters are ruled by Mars.