The zodiac is the band of constellations through which the Sun, Moon, and planets move on their journey across the sky.
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Signs
There are 12 zodiac signs, each representing a 30° division of celestial longitude.
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Elements
The twelve zodiac signs are grouped into four elements.
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Modalities
Each of the four elements manifests in three modalities.
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Polarities
The polarity of a sign is mirrored by the one opposite on the zodiac.
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Celestial Bodies
Each astrological sign is ruled by a single celestial body.