Each sign of the Zodiac is represented by a planet. Here are the Planets and some of what they mean:
Sun: The Sun is associated with a sense of power. The house that the Sun occupies will be strongly emphasized. The activities of that house will be of great importance to the subject throughout her life. The characteristics of the sign associated with the Sun are usually intensified. The positive aspect of the Sun is creativity, affection and generosity. The negative trait of the Sun is arrogance.
Moon: The Moon conveys the sense of instinct and cyclic changes. The Moon is the second most important planet aside from the Sun. The characteristics of the Moon sign usually reflects the personality of the subject. Habits, emotions, motherhood, family and social response are the associations of the moon. Positiveness of the Moon is imaginativeness, business shrewdness, maternal instinct and patience. Negative traits include stubbornness, unreliability and irrational behavior.
Mercury: Mercury is communication. Mercury is associated with computers, intellect, science and mental perception. The positive characteristics of Mercury are good memory, logical, communicative and clever. The negative traits are mental constipation, argumentative, nervous and sarcastic.
Venus: The keywords of Venus are love and harmony. Venus is associated with feelings, love, beauty, arts, and fashion. The positiveness of Venus is friendly, well mannered, artistic and lovable. The negative traits are selfish, and unrealistically romantic.
Mars: Fire and energy come to mind with Mars. In ancient times, Mars was regarded as the bringer of wars. It has been perceived as the most powerful planet. Aggression, quickness in action, war and weapons and masculinity are always associated with Mars. The negative traits are boisterous, war-like and quarrelsome.
Jupiter: The keyword of Jupiter is expansion. Jupiter is sometimes known as the good planet. The House in which Jupiter is found usually is associated with very favorable outcomes in that department of life. The expanding quality of the planet can also be associated with the physical size of Jupiter...the largest planet in the solar system. Positive traits are compassionate, optimistic, and sportive. Negative traits are extravagance, irresponsible, indulgent, over-optimistic, and care-free.
Saturn: Limitation and hardship are the main attributes of Saturn. A subject always encounters limitations on the activities in life that are characteristics of the House where Saturn is. Saturn is always associated with slow moving, difficulty, and tension. Because Saturn is a planet that tests the success or tenacity of a subject's action, Saturn is positively associated with perseverance and fortitude. As well, Saturn sometimes is associated with ill health. The positive traits are trustworthiness, tenacity, and discipline. The negative traits are self-pitying, depressive, and difficult.
Uranus: Sudden changes best represent Uranus. Uranus is associated with modern science, medicine, sex and tele-communication radio systems. The positive traits are inventive and original. The negative traits are sexually perverted, abnormal and impulsive.
Neptune: The keyword of Neptune is unknown. Neptune may reflect the hidden potential capability of a person. The positive traits are subtle, artistic and sensitive. The negative traits are indecisive, careless, and unworldly.
Pluto: Due to its recent discovery (1930), astrologers have not been certain of what Pluto is best to associate with a subject's characteristics. The best to associate with Pluto is the marking of a new beginning (the end of a cycle) of a life event. Pluto very often is symbolically associated with business, the hidden and unconscious power. The positive traits are financial astuteness, able to start new in unfavorable circumstances. The negative traits are underworld association, and seediness.