... Of course, M13 is now modestly recognized as the Great Globular Cluster in Hercules, one of the brightest globular star clusters in the northern sky. The Milky Way Near the Southern Cross . ... The Southern Cross (Crux) itself is at the right of the 20 degree wide field of view, topped by bright, yellowish star Gamma Crucis. Dark Matter Ring Modeled around Galaxy Cluster CL0024 17 . ... Staring across interstellar space, the alluring Cat's Eye nebula lies three thousand light-years from Earth. ...