Libra

Libra /ˈliːbrə/ is a constellation of the zodiac. Its name is Latin for weighing scales, and its symbol is ♎. It is fairly faint, with no first magnitude stars, and lies between Virgo to the west and Scorpius to the east. ... The brightest stars in Libra form a quadrangle that distinguishes it for the unaided observer. Alpha Librae, called Zubenelgenubi, is a binary star divisible in binoculars, 77 light-years from Earth. The primary is a blue-white star of magnitude 2.7 and the secondary is a white star of magnitude 5.2. Its traditional name means "the southern claw". Zubeneschamali (Beta Librae) is the corresponding "northern claw" to Zubenelgenubi. The brightest star in Libra, it is a green-tinged star of magnitude 2.6, 160 light-years from Earth. Gamma Librae is called Zubenelakrab, which means "the scorpion's claw", completing the suite of names referring to Libra's archaic status. It is an orange giant of magnitude 3.9, 152 light-years from Earth. ... Libra is home to one bright globular cluster, NGC 5897. It is a loose cluster, 40,000 light-years from Earth; it is fairly large and has an integrated magnitude of 9. ... Libra is home to the star Gliese 581, which has a planetary system consisting of at least 6 planets. ... All of these exoplanets are of significance for establishing the likelihood of life outside of the Solar System. [Libra (constellation). Wikipedia]