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
Brazilian Space Agency of the Southern Cross family will be based on Russia's Angara vehicle and liquid-propellant engines. The first stage of the VLS Gama, Delta and Epsilon rockets was to be powered by a unit based on the RD-191 engine. The second stage, which will be the same for all the Southern Cross rockets, will be driven by an engine based on the Molniya rocket. The third stage will be a solid-propellant booster based on an upgraded version of the VLS-1. The program was named "Southern Cross" in reference to the Crux constellation, present on the flag of Brazil and composed of