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LIBRA (" THE BALANCE ")

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Originally appearing in Volume V16, Page 545 of the 1911 Encyclopedia Britannica.
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See also:

LIBRA (" THE See also:BALANCE ") , in See also:astronomy, the 7th sign of the See also:zodiac (q.v.), denoted by the See also:symbol =, resembling a pair of scales, probably in allusion to the fact that when the See also:sun enters this See also:part of the See also:ecliptic, at the autumnal See also:equinox, the days and nights are equal. It is also a See also:constellation, not mentioned by See also:Eudoxus or See also:Aratus, but by See also:Manetho (3rd See also:century B.C.) and Geminus (1st century B.C.), and included by See also:Ptolemy in his 48 asterisms; Ptolemy catalogued 17 stars, Tycho See also:Brahe 1o, and See also:Hevelius 20. S Librae is an See also:Algol (q.v.) variable, the range of magnitude being 5•o to 6.2, and the See also:period 2 days 7 hrs. 51 See also:min.; and the cluster M. 5 Librae is a faint globular cluster of which only about one See also:star in eleven is variable.

End of Article: LIBRA (" THE BALANCE ")

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