7. Libra: The Scales
Libra was once part of Scorpio, representing the scorpion’s claws, but Roman astronomers redefined it as the scales—an emblem of balance and justice. (britannica.com) It was cataloged by Ptolemy and adopted by Arabic astronomers. (en.wikipedia.org) Libra’s equilibrium has inspired everything from legal iconography to modern zodiac interpretations. Find out more at EarthSky: (space.com)