a blue ring in the sky with stars around it

Hubble Captures a Ring Caption This close-up, visible-light view by NASA's Hubble Space Telescope reveals new details of the Ring Nebula. Credits NASA, ESA, and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration https://hubblesite.org/contents/media/images/2013/13/3170-Image.html?page=85