Libra
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Libra (♎, and Latin for balance) is a constellation of the zodiac. It is a fairly inconspicuous constellation and has no star of first magnitude, lying between Virgo to the west and Scorpius to the east. As the names of the brighter stars testify, it was at one point part of Scorpius' claws.
Notable features
The brightest stars in Libra form a rectangle:
- α Librae, Zubenelgenubi ("southern claw"), a visual binary;
- β Librae, Zubeneschamali ("northern claw");
- γ Librae, Zubenelakrab ("scorpion's claw");
- σ Librae, an eclipsing variable.
α and β Librae are the scales' balance beam, and γ and σ are the weighing pans.
Mythology
The constellation, which had originally formed part of the claws of the scorpion (Scorpio), is the youngest of the Zodiac and the only one not to represent a living creature. In later Greek mythology, the constellation, which when considered on its own looks vaguely like a set of scales, was considered to depict the scales held by Astraea (identified as Virgo), the goddess of justice.
Since Libra was originally part of Virgo (as scales), and before that part of Scorpio, it was not a distinct entity for which a zodiac sign was named. Its place may have been taken by Bo�tes, which is the nearest to the ecliptic. Since the place Bo�tes should have held on the ecliptic is vacant, it may have, together with Ursa Major, Draco, and Ursa Minor, also in Libra, led to the myth of the apples of the Hesperides, one of The Twelve Labours of Herakles.
Astrology
The Western astrological sign Libra of the tropical zodiac (September 23–October 22) differs from the astronomical constellation and the Hindu astrological sign of the sidereal zodiac (October 31–November 22).
In some cosmologies, Libra is associated with the classical element Air, and thus called an Air Sign (with Aquarius and Gemini). It is also one of the four cardinal signs (along with Aries, Cancer, and Capricorn). Its polar opposite is Aries. It is the domicile of Venus and the exaltation of Saturn. Each astrological sign is assigned a part of the body, viewed as the seat of its power. Libra rules the lower back and internal reproductive organs. The symbol for Libra is the Scales.
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Astronomy | Constellations of the Zodiac | Astrology edit (https://academickids.com:443/encyclopedia/index.php?title=Template:Zodiac&action=edit) |
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Aries (♈) | Taurus (♉) | Gemini (♊) | Cancer (♋) | Leo (♌) | Virgo (♍) | Libra (♎) | Scorpius/Scorpio (♏) | Ophiuchus | Sagittarius (♐) | Capricornus/Capricorn (♑) | Aquarius (♒) | Pisces (♓) |