Black Holes May Ripple Fabric of Space (NASA, Chandra, 04/06/06) (Photo credit: NASA's Marshall Space Flight Center)
Doubling Down With Rare White Dwarf Systems (NASA, Chandra, 12/18/13) (Photo credit: NASA's Marshall Space Flight Center)
Created from images at the ESA Hubble Image Archive. (Probable source at hubblesite in Supernova Shock Wave Is Producing a Spectacular New Light Show from February 19, 2004) Credit: NASA, P. Challis, R. Kirshner (Harvard-Smithsonian Center for Astrophysics) and B. Sugerman (STScI) (Photo credit: Wikipedia)