Barren sign Libra and Scorpio as signs of property loss. He made no statement regarding the fruitfulness of Leo or Libra, possibly meaning that he regards those two signs as neutral or perhaps semi-barren/semi-fruitful. Most modern astrologists no longer ascribe to this premise. Barren sign In astrology, a barren sign is a sign of the Zodiac that, according to ancient astrological tradition, is not likely to possess strong powers of procreation, i.e. they are "barren". The signs most associated with infertility are Gemini, Leo, and Virgo. In addition, Aries, Sagittarius, and Aquarius are also believed to quite often have problems in matters
Zodiac late Antiquity, by which time Ptolemy's influence was widely established. Ptolemy clearly explained the theoretical basis of the western zodiac as being a tropical coordinate system, by which the zodiac is aligned to the equinoxes and solstices, rather than the visible constellations that bear the same names as the zodiac signs. The Hindu zodiac uses the sidereal coordinate system, which makes reference to the fixed stars. The Tropical zodiac (of Mesopotamian origin) is divided by the intersections of the ecliptic and equator, which shifts in relation to the backdrop of fixed stars at a rate of 1° every 72 years,