Globular Cluster M15 . ... WIYN , NOAO , NSF Explanation: Stars, like bees, swarm around the center of bright globular cluster M15. This ball of over 100,000 stars is a relic from the early years of our Galaxy , and continues to orbit the Milky Way's center . ... The above image , taken in ultraviolet light with the WIYN Telescope , spans about 120 light years and shows the gradual increase in stars toward the cluster's center. ... NASA Web Site Statements, Warnings, and Disclaimers . ...