Infrared images from NASA's Spitzer Space Telescope, WISE and Chandra are combined in this image of RCW 86, the dusty remains of the oldest documented example of an exploding star, or supernova.
Infrared images from NASA's Spitzer Space Telescope, WISE and Chandra are combined in this image of RCW 86, the dusty remains of the oldest documented example of an exploding star, or supernova. (Photo by: Universal History Archive/Universal Images Group via Getty Images)