Venus : Venus signifies water element. Venus is exalted in Pisces. The degree of exaltation is 27 degrees. Pisces is a dual sign with water element. Unlike, Moon in Scorpio when there is excess water which is stagnated in fixed sign, the excess water element with Venus in Pisces is free flowing in dual sign. Venus in Pisces signifies infinite love and our infinite appreciation of beauty and passion.
Venus exalted in our chart signifies our aspiration to beauty and truth through which we can realize the power of infinite love beyond our senses and pleasure that is the love of God or realization of the God within ourselves. Venus gets debilitated in Virgo which is also dual sign with earth element. This earth element of debilitated Venus limits us to the pleasure of our senses only.
Debilitated Venus completely deprives our capacity to feel content and to become happy in life. She makes us vain, superficial and affected and turn us into a machine to seek sensual pleasure and luxury. Debilitated Venus signifies the pleasure that dissipates, exhausts and debilitates, the self indulgence which can ultimately leads to our destruction.
Saturn : Saturn signifies Air element. Saturn is exalted in Libra which is cardinal sign with air element. The degree of exaltation is 20 degrees. The excess air with Saturn in Libra allows Saturn to manifest its highest qualities in our life. In its normal or worst form it is the most malefic planet among all the planets.
Saturn brings limitation and obstruction, hindrance in self expression and self manifestation. As Jupiter is the great affirmer, Saturn is the great negator. Destruction is as important in evolution as creation is. In this respect Saturn is just opposite of Sun. In mythology Saturn is described as the son of Sun. Father and Sun are the greatest enemy of each other. Exalted Saturn can make us really free from our fear of the limitation of the material realm in our life. Saturn is the death that takes us beyond the limitations of the mortal life, which is the gateway to the eternal Exalted Saturn is the Yogi in meditation. He can teach us complete detachment and independence from material desires in our life. Exalted Saturn can also deliver enormous wealth and power in our mundane life by giving us the concentration and discipline and will power and seriousness to achieve most enduring success in our life.
Saturn in your life gets debilitated in Aries which is fire element and cardinal sign. It is the same story where air and fire combines to deliver the uncontrolled miseries of the negative qualities of Saturn in our life. It will cause poverty, deprivation and want. It will keep us in bondage and will take away all our vitality on a physical or mental level.
Rahu/Ketu : The two lunar nodes are always 180 degrees opposite to each other.
Rahu is more like Saturn and has air element. Ketu is more like sun and Mars and has fire element. Rahu is exalted in Taurus and debilitated in Scorpio and for Ketu it is just the opposite. The degree of exaltation is supposed to be 20 degrees. Rahu and Ketu are said to be shadowy Karmic planets in our chart. They act as triggers to deliver both Karmic rewards and Karmic punishments in our life.
In fact astrologers do not have clear agreements on the signs of exaltation and debilitation of these two planets. Some consider that both of them are exalted in either Gemini or Virgo , the two signs of Mercury. Then both Sagittarius and Pisces the two signs of Jupiter will become the signs of debilitation of both these planets. Because of this confusion it is difficult to explain the logic behind it.
What you will find interesting that there are three distinct pairs among the family of planets. They are Sun and Saturn; Jupiter and Mars; Mercury and Venus. In each of these pairs, the exaltation/debilitation signs gets exchanged. Sun signifies life. Saturn signifies death. Jupiter signifies wisdom and Mars signifies action. Mercury signifies intellect and Venus signifies emotion. Truly these 3 pairs are pairs of opposites Read More About the effect of planets.