June 11
Star Cluster Omega Centauri
Observed in 1997
This view shows about 50,000 stars at the heart of Omega Centauri, a huge globular star cluster 17,000 light-years from Earth. Omega Centauri is the biggest and brightest globular cluster in the Milky Way, and one of the few that can be seen by the unaided eye.
Image credit: NASA, ESA, Hubble Space Telescope