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 |  Θέμα: The Astrological Zodiac 25.11.08 21:33 | |
|  The zodiac is an imaginary belt in the celestial sphere, extending about 8° on either side of the ecliptic, the apparent path of the Sun among the stars.
The width of the zodiac was determined originally so as to include the orbits of the Sun and Moon and of the five planets (Mercury, Venus, Mars, Jupiter, and Saturn) that were known to the people of ancient times.
The zodiac is divided into 12 sections of 30° each, which are called the signs of the zodiac.
Starting with the vernal equinox and then proceeding eastward along thee cliptic, each of the divisions is named for the constellation situated within its limits in the 2nd century BC.
Because of the precession of the equinoxes about the ecliptic, a 26,000-year cycle, the first point of Aries retrogrades about 1° in 70 years, so that the sign Aries today lies in the constellation Pisces.
In about 24,000 years, when the retrogression will have completed the entire circuit of 360°, the zodiacal signs and constellations will again coincide. | |
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