Originating from the constellation Sagittarius, the horoscope sign is represented by the archer. Sagittarius is the ninth sign of the zodiac and runs from November 21 to December 21. In classical mythology, Sagittarius is associated with the centaur. Sometime Sagittarius is also linked the Norse God Thos and the Greek God Zeus. Sagittarians are believed to be witty, freedom-loving, idealistic, likable and sympathetic. Thought they make great friends, they love to travel and are believed to make great travel plane because they have a memory for all the finer details. They are believed to be most compatible with Leo and Aries.