Astrology is based on the belief that the movement of the stars and other celestial bodies affects our lives here on Earth. Not everyone acknowledges these effects, but those who study astrology have many reasons to believe that all things, both terrestrial and celestial, are strongly connected. In fact, scientists have absolutely determined that the moon has influence over certain phenomena on Earth such as ocean tides. This section will catch you up on the basics of astrology, from philosophy to signs and symbols.