The Fourth Sign The Fourth Sign The Fourth Sign is a public artwork by the American artist Tony Smith situated on the lawn outside the Art Building at the University of Hawaiʻi at Mānoa, in Honolulu, Hawaii. The large sculpture is fabricated in steel, painted black, and signifies the fourth Zodiac sign, which is Cancer (a crab). The sculpture was commissioned by the Hawaii State Foundation on Culture and the Arts in accordance with the Art in State Buildings Law. Since its installation, many have seen in its shape as a reference to the legs and claws of a crab. "The Fourth Sign"
Zodiac used to determine the boundaries of astronomical constellations that lie in the vicinity of the zodiac, which are, and always have been, irregular in their size and shape. The convention of measuring celestial longitude within individual signs was still being used in the mid-19th century, but modern astronomy now numbers degrees of celestial longitude from 0° to 360°, rather than 0° to 30° within each sign. The use of the zodiac as a means to determine astronomical measurement remained the main method for defining celestial positions by Western astronomers until the Renaissance, at which time preference moved to the equatorial