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zodiac
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| Constellations of the zodiac
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The band is divided into 12 signs of the zodiac, each 30° long, that were named by the ancient Greeks after the constellations that used to occupy these positions; "zodiac" means "circle of animals," and only Libra is inanimate. Over the past 2,000 years, precession has moved the constellations eastward by over 30° so that they no longer coincide with the old signs.
The 12 constellations of the zodiac are:
Related categories
• CELESTIAL MECHANICS• OBSERVATIONAL ASTRONOMY
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