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Libra (constellation) facts for kids

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Libra
Constellation
Abbreviation Lib
Genitive Librae
Right ascension 15
Declination −15
Area 538 sq. deg. (29th)
Main stars 4, 6
Bayer/Flamsteed
stars
46
Stars with planets 3
Stars brighter than 3.00m 2
Stars within 10.00 pc (32.62 ly) 2
Brightest star Zubeneschamali (β Lib) (2.6m)
Nearest star HD 131977
ly,  pc)
Messier objects 0
Meteor showers May Librids
Bordering
constellations
Serpens Caput
Virgo
Hydra
Centaurus (corner)
Lupus
Scorpius
Ophiuchus
Visible at latitudes between +65° and −90°.
Best visible at 21:00 (9 p.m.) during the month of June.

Libra (pronounced /ˈliːbrə/, Latin: weighing scale, symbol Libra.svg, Unicode ) is a constellation of the zodiac. It lies between Virgo to the west and Scorpius to the east. It once represented the claws of Scorpius.

Some 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, Brachium an eclipsing variable.

α and β Librae are the scales' balance beam, and γ and σ are the weighing pans.

σ Librae was formerly known as γ Scorpii even though it is well inside the boundaries of Libra. It was not renamed as σ Librae until 1851 (by Benjamin A. Gould).

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