Zodiac 30° along the ecliptic is nominally designated as the zodiac sign Aries, which no longer falls within the proximity of the constellation Aries since the effect of precession is to move the vernal point through the backdrop of visible constellations (it is currently located near the end of the constellation Pisces, having been within that constellation since the 2nd century AD). The subsequent 30° of the ecliptic is nominally designated the zodiac sign Taurus, and so on through the twelve signs of the zodiac so that each occupies 1/12th (30°) of the zodiac's great circle. Zodiac signs have never been
Barren sign 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 of reproduction and are therefore considered "semi-barren". William Lilly (1647) in CHAPTER CXVIII of his book "Christian Astrology" described the signs as follows: Aries: By reason Mars, a sterill planet hath that for his house, and the Sun for Exaltation, is