jan 042014
Image of the Day: Globular Cluster Messier 69

January 4, 2014 Messier 69, a globular cluster in Sagittarius Image Credit: ESA/Hubble & NASA Messier 69 (also known as NGC 6637) is a globular cluster of roughly 85 light-years across, with an estimated mass of 300,000 solar masses and an age of 13.06 billion years. It is located some 29,700 light-years away from Earth [continue reading]