science is beauty: Composite image (X-ray & optical) of the Rosette nebula, located about light years from Earth. More shocking that the one I posted here two years ago. Source: Rosette Nebula: The Heart of a Rose (Chandra X-ray Center)
“ This is a deep image of the Sword of Orion - the three stars that make up the weapon hanging off the belt of this famous celestial hunter. The image showcases the amazing mix of physical and optical.