Facts about Libra Constellation
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Located near the ecliptic plane, Libra contains Gliese 581, a red dwarf star system hosting at least six exoplanets discovered between 2005 and 2014.
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Gamma Librae, a giant orange star located 152 light-years away, marks the constellation's third brightest object and exhibits notable stellar variability across multiple wavelengths.
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Libra's brightest pair of stars, Zubenelgenubi, was historically called the Southern Claw when astronomers considered it part of Scorpius before the 1st century reconfiguration.
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Delta Librae, the constellation's second brightest star, is an eclipsing binary system where the two stars orbit each other every 2.3 days.
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Approximately 52 degrees south of the celestial equator, Libra occupies roughly 538 square degrees of sky, ranking it as the 29th largest constellation by area.
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Ancient astronomers named Libra the Scales around 1st century CE, making it the only zodiacal constellation depicting an inanimate object rather than a living creature.
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The brightest star in Libra, Zubenelgenubi, is actually a binary system located approximately 77 light-years from Earth.