Crux Crux Crux is a constellation located in the southern sky in a bright portion of the Milky Way. It is among the most easily distinguished constellations, as all of its four main stars have an apparent visual magnitude brighter than +2.8, even though it is the smallest of all 88 modern constellations. Its name is Latin for cross, and it is dominated by a cross-shaped or kite-like asterism that is commonly known as the Southern Cross. Predominating is the first-magnitude blue-white star of Alpha Crucis or Acrux, being the constellation's brightest and most southerly member. Crux is followed by four
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