... M7 is one of the most prominent open clusters of stars on the sky. The cluster, dominated by bright blue stars, can be seen with the naked eye in a dark sky in the tail of the constellation of Scorpius. Light from a Extra Solar Planet . ... NGC 1316: After Galaxies Collide . ... A preliminary inspection indicates that NGC 1316 is an enormous elliptical galaxy that includes dark dust lanes usually found in a spiral. The Galactic Center Radio Arc . ... A Tether in Space . ...