Science / Astrology / Cadent Houses: From the Latin cadere, to fall; houses three, six, nine and twelve fall behind angular houses. Ruled naturally by mutable signs (Gemini, Virgo, Sagittarius and Pisces, respectively), they are also called mutable houses. The experiential mode of activity of these houses is naturally dispersive, adaptive and versatile, which may not be the reality depending upon the signs and planets in the horoscope that influence them.
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Science / Astrology / Relative Houses: House three, seven, and eleven, ruled naturally by air signs. Function focuses on human relationships. As a group, these houses form the Trinity of Association. MORE
Science / Astrology / Placidean Houses: The house system devised by the Spanish monk, Placidus de Tito (seventeenth century). Placidus' system, still widely used today, is based on the trisection of nocturnal and diurnal semi-arcs. The time MORE
Science / Astrology / Succedent Houses: From the Latin succedere, to follow; houses two, five, eight and eleven, which follow the angular houses. Also called the fixed houses, being ruled naturally by the fixed signs: Taurus, Leo, Scorpio a MORE