The Jewel Box Cluster or Kappa Crucis cluster is a star cluster over 6,000 light years away in the constellation, Crux (the southern cross). It has many blue supergiant stars, and one red supergiant, DU Crucis.
The Jewel Box Cluster or Kappa Crucis cluster is a star cluster over 6,000 light years away in the constellation, Crux (the southern cross). It has many blue supergiant stars, and one red supergiant, DU Crucis.
