Science / Astrology / Inharmonious Aspects: Aspects in which planetary energies do not combine smoothly, mainly the semi-square, square, sesquiquadrate, quincunx, and opposition; also called difficult aspects. See also hard aspects.
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Science / Astrology / Zodiacal Aspects: Aspects based upon planets' zodiacal longitude as distinguished from parallels and contaparallels, which depend upon declination. MORE
Science / Astrology / Mundane Aspects: Aspects by house rather than by degree. For example, a mundane sextile from a planet on the cusp of the second house to one on the cusp of the fourth might be less or more than the 60?° required for MORE
Science / Astrology / Inharmonious Aspects: Aspects in which planetary energies do not combine smoothly, mainly the semi-square, square, sesquiquadrate, quincunx, and opposition; also called difficult aspects. See also hard aspects. MORE
Science / Astrology / Hard Aspects: Aspects that stimulate action or tension and induce motivation. All hard aspects are disharmonious to some extent except the conjunction and parallel, whose influence depends largely upon the natures MORE