Callisto is the second-largest moon of Jupiter. Discovered in 1610 by Galileo Galilei, who named it after the nymph Callisto of Greek mythology, who was a companion of Diana, Goddess of the Hunt. Like their namesake, the Callisto Earrings are full of movement and reflected light, and their light weight and unique asymmetrical style will have you over the moon;) The unique design allows the circles to rotate freely on the central axis. Available with Sterling Silver or 18K Gold Vermeil Ear Wires and featuring a variety of colors of vintage repurposed Lucite. 2.75\” long.