a cluster of stars in the night sky

NGC 6397 Caption: This ancient stellar jewelry box, a globular cluster called NGC 6397, glitters with the light from hundreds of thousands of stars. Credits: Image - NASA, ESA, Tom M. Brown (STScI), Stefano Casertano (STScI), Jay Anderson (STScI); Science - NASA, ESA, Eduardo Vitral (IAP), Gary A. Mamon (IAP)