Messier 75. NGC 6864

Click on the image for a full resolution version   Messier 75 is a distant (67,500 ly) and compact globular cluster. This old cluster (about 13 billion years old) contains at least 400,000 stars, most of them located within a small region around the nucleus. Messier 75 is believed to be one of the eight … Continue reading Messier 75. NGC 6864