Twelve palace (constellation) into fire, earth, wind, water, four groups.One of the two groups before and after the two groups can be formatted -- - strong palace and the weak palace.

The first palace, the fifth palace, the first 9 palace said strong positive palace - main characteristic is the personalized features, a steady stream of energy.The symbol of life.

The 2nd house, the sixth, the tenth house said strong negative palace - the main characteristic is the energy characteristics of fortitude and perseverance.The symbol of life to develop.

The third palace, the 7th house, the eleventh house said weak positive palace - the main characteristic is mechanical characteristics, energy characteristics of divergent thinking.The opposite of symbol itself.

4th, 8th house, the 12th house said negative weak palace - the main characteristic is deep insights, energy characteristics of tending to sacrifice (destruction).Symbol of the death of self.

The strength of the house in a chart combined with the strength of the constellation.Form a strong palace into the weak;Weak palace into the strong basic situation and so on.These are the team, mainly study the zodiac, astrological techniques.

Its meaning is very complex, astrology bold prediction this theory will be replaced by the developing of popular now after astrology Ptolemy dominate star system.

Note: strong and the weak just descriptions of each house or energy characteristics, which does not mean that the characteristics of its practical function.Strong have a strong advantage, it is easy to play, proactive, powerful.Weak has less advantage, powers, winning.The best example is the eighth houseScorpioWeak, belongs to the palace, but who also can't ignore it hidden destructive energy.As the saying goes, with is a very good interpretation of the characteristics of the weak.