Star Clusters Near the Center of the Galaxy
Depicts: Arches Cluster
Copyright: Don Figer (Space Telescope Science Institute) and NASA
The more compact Arches cluster is so dense, over 100,000 of its stars would fill a spherical region in space whose radius is the distance between the Sun and its nearest neighbor, the star Alpha Centauri, 4.3 light-years away. At least 150 of its stars are among the brightest ever seen in the Galaxy.
Last Update: 1 September 2019