Is It A Small Galaxy Or Large Globular Cluster?

  Tonight at Cline Observatory wewill to feature the famous Globular Cluster M13. M 13 47 Tucanae Magnitude 5.9 4.9 Discovered by Halley in 1714 By Lacaille in 1751 One million stars Millions of stars Many old Red Giants X-ray sources, pulsars > 23,000 light years away About 1,600 light years     Messier constructed … More Is It A Small Galaxy Or Large Globular Cluster?