Alpha Crucis, also known as Acrux, is the brightest star in the constellation of Crux, commonly known as the Southern Cross. It is located approximately 320 light-years away from Earth and is classified as a blue giant star. Acrux is actually a binary star system, consisting of two stars that orbit each other. The star is notable for its position in the southern sky, making it a key navigational reference for travelers in the Southern Hemisphere. Crux is one of the most recognizable constellations and is often used in various cultures' symbolism and navigation.