the smallest constellation (the Cross or Southern Cross), but the most familiar one to observers in the southern hemisphere. It contains the bright star Acrux, the ‘Jewel Box’ star cluster, and most of the Coalsack nebula. Formerly called Crux Australis
the smallest constellation (the Cross or Southern Cross), but the most familiar one to observers in the southern hemisphere. It contains the bright star Acrux, the ‘Jewel Box’ star cluster, and most of the Coalsack nebula. Formerly called Crux Australis