Crux dominant stars, descending in clockwise order by magnitude: Beta, Gamma (one of the closest red giants to Earth), Delta and Epsilon Crucis. Many of these brighter stars are members of the Scorpius–Centaurus Association, a large but loose group of hot blue-white stars that appear to share common origins and motion across the southern Milky Way. The constellation contains four Cepheid variables that are each visible to the naked eye under optimum conditions. Crux also contains the bright and colourful open cluster known as the Jewel Box (NGC 4755) and, to the southwest, partly includes the extensive dark nebula, known as
Eureka Flag Eureka Flag The Eureka Flag is a flag design which features dark blue field (2:3.08 ratio); a horizontal stripe wide and a vertical line crossing it of wide; and 5 eight pointed stars, the central star being tall (point to point) and the other stars tall, representing the Crux Australis constellation. The design was first used as the war flag of the Eureka Rebellion (3 December 1854) at Ballarat in Victoria, Australia. A number of people swore allegiance to the flag as a symbol of defiance at its first flying at Bakery Hill on 29 November 1854. Over 30 miners