Crux of Crux is the distinctive asterism known as the Southern Cross. It has great significance in the cultures of the southern hemisphere, particularly of Australia and New Zealand. "Southern Cross" is a single released by Crosby, Stills and Nash in 1981. It reached #18 on Billboard Hot 100 in late 1982. Several southern countries and organisations have traditionally used Crux as a national or distinctive symbol. The four or five brightest stars of Crux appear, heraldically standardised in various ways, on the flags of Australia, Brazil, New Zealand, Papua New Guinea and Samoa. They also appear on the flags of
Eureka Flag the 1854 original with blue key lines around each of five equal stars. It is frequently made in the proportions of 20:13. Although the flag is designed as a representation of the Southern Cross, a constellation located in southern skies and thus only visible to viewers in the southern hemisphere, the stars are arranged differently from the arrangement of stars in the constellation itself. The "middle" star (Epsilon Crucis) in the constellation is off-centre, and near to the edge of the "diamond", while the Eureka Flag shows it in the centre. The Eureka Flag is only a stylised version of