Known as Surya or Ravi who is the royal planet in the astrology & Sun is the ruler of zodiac sign Leo. All the other planets orbit round him and they are depend on the Sun's energy. He represents the soul, will power, father, the king or high officials. He stays in each Rasi for one month and takes one year to complete the round of the zodiac. Therefore Sun's position in one's horoscope indicates a variety of traits in an individual, both physically and mentally. It gives an understanding about the person's physical appearance. A well placed Ravi in the birth chart, can give great abilities and makes a person cheerful, fortunate and wise. They are connected with religious institutions, and also creative people can rise to fame in even the whole world. In the physical body, Sun rules the heart, head, lungs, liver, nervous system and skeletal structure. It indicates the right eye in a male and the left in a female.
The gemstone related to Sun is the Ruby – the metal is gold.
Also known as Chandra or Sandu, who is the queen in the astrology & the moon, is the ruler of the sign Cancer . She represents person's mind, emotions, sensitivity, the mother, milk, sea and all the things connected with water. White in colour, cold, calm, and it gives intuitive nature, taste, youth, love of poetry, music, attractive looks and sensuality. The moon is the fastest moving of the 9 planets and takes approximately 2 & 2/1 days to travel a sign. A strong moon in a chart shows a happy mental state, emotional, strength, and loved for others. Also for persons whose moon is ill - aspect in their horoscopes their successes become difficult. Sometimes it even becomes difficult to achieve a comfortable life on earth. It makes people week in their early years. Physically an afflicted, debilitated, or otherwise ill-disposed Moon may indicate anaemia, lack of body fluids or body weight, constipation and dryness of the skin. It can cause colds, fevers, bronchitis, intestinal problems, or even susceptibility to cancer. Organs, such as the lungs and kidneys may also be weak and there may be menstrual or infertility problems in women.
The gemstone related to Moon is pearl, and its metal is silver.
Named as Angaharu or Kuja, he is the commander in the person's life chart and treated as God of War & a native borne in Aries is openly aggressive. He takes about 45 days to travel one sign. Mars makes his natives short-tempered, argumentative, lovers of weapon, armed forces and also gives them great technical and mechanical abilities. He represents energy, courage, and makes people under him influence full fill with leadership abilities. Mars rules over the bone marrow and generation of red blood corpuscles, human blood, and the disease resistant power of human body.
The gemstone of Mars is coral.
Mercury is also named as Budha and he is the Prince in astrology and represents speech, intelligence, maternal, short journeys etc. It is a dual natured planet and owns the dual natured signs, Virgo and Gemini . He takes about a month to travel a Rasi. Also as a natural planet he changes according to its placement in sign and house. It is always 27 degree distance from the sun according to the astrological point of view. Therefore it is restless and this makes quickly changing and fickle. Mercury makes person nervures, insecure and overly excitable. He rules education, and represents native's intelligence. Most related professions are lecturers, doctors, engineers, mathematicians, and computer engineers. Mostly all areas demanding logics. Mercury rules over the arms, ear hearing system, and the nervous system.
The gemstone related to Mercury is emerald.
Mostly known as Guru and Brahaspathi. Treated as Guru of the gods & jupiter is the ruler of the fire sign Sagittarius . This is a planet which is responsible of success, also important to females to their married life. He rules religion, philosophy, wealth and property, spirituality, and progeny. Connectivity of fame, success and honour, make natives horoscope bright. Through the placement of Jupiter in the birth chart shows the benefits earned by a native from the karma of his past lives. Jupiter takes about one year to travel a sign and connected with children. An ill disposed Jupiter leads to digestive disorders, gallstones, diabetes, low blood sugar, indigestion, gas, jaundice, haemorrhoids, obesity, malnutrition, hepatitis, obesity, weak digestion, blood sugar, and weight gain.
The gemstone of Jupiter is yellow sapphire.
Also known as Shukra, Sikuru and treated as guru of the demons. Associated with romance, beauty, passion & venus has a feminine energy and rules both Taurus and Libra .. Strong Venus brings comfort, wealth and attraction to the opposite sex. Also
important strong Venus to create pleasure, spread happiness and leaning us how to love and appreciate others. This charming princess takes about months to travel a sign and complete the round of the zodiac in 12 months. She makes her natives tender gentle and considerate. These natives have an opportunity to enjoy a happy married life. If Venus well placed in a male's horoscope indicated good relationship with his wife. They are lovers of jewellery, sour taste, luxuries, decorations and the fine arts. Venus rules over eyes, nose, chin, throat, sexual organs, kidneys, bladder etc. A badly placed Venus indicates dysfunction of these parts. Beauty is also strongly associated with Venus.
Its' metal is silver, it's gemstone diamond.
Known as Shani and Senasuru. Treated as servant in astrology and this masculine energy rules Capricorn and Aquarius . He takes about two and half years or so to pass through each constellation of the side real zodiac and 30 years to complete round of the zodiac. Therefore introduced as a slow mover. He represents heard work, sorrow, old men, lower level workers, or people doing dull routine and ordinary jobs. Saturn does not make things easy, it rather commands to get to work heard. Well placed Saturn gives his natives integrity, spirituality, ability to lead, authority, organizational abilities, love of justice and awareness of right and wrong. Saturn is cold and dry planet. Saturn rules over the hard parts of human body - bones, teeth, knees and ears. Since it is a slow moving, cold planet, it also indicates recurring problems that do not cause total damage in one stroke, i.e. cold, cough, bronchitis, rheumatism, TB, pyorrhoea etc.
Blue sapphire is the gemstone of Saturn.
Introduced as an imaginary planet & Rahu doesn't rule any zodiac, since it is not a real planet. Represents foreigners, foreign travel, technical trades, grand parents, gambling, and add elements in the society. Also known as the north node of the moon. Rahu is responsible for solar eclipse. When Rahu , sun and moon are in the zodiacal longitude solar eclipse takes place. Approximately it takes one and half years to travel a side and needs 18 years to completed a round of zodiac.
The gemstone related to Rahu is hessonite.
This also an imaginary planet & Ketu is also not a real luminary and therefore doesn't rule any zodiac sign. Kethu or south node represents spiritual inclination, psychic abilities and makes natives masters of healing arts, herbs and healing of persons possess by spirits and astral forms. Kethu is always in the opposite side of the Rahu and taking approximately one and half years to travel a sign. So that again takes 18 years to complete the round of the zodiac as same as Rahu. Most of the times Kethu activates only if the negative side of the mars. This is why people ruled by Kethu are secreting adversaries.
Ketu's gemstone is cat's-eye.
Sources : http://www.ceylonastro.com