Spektakuläre Doppelexplosion am Sternenhimmel http://www3.uni-bonn.de/Pressemitteilungen/174-2014 A String of 'Cosmic Pearls' Surrounds an Exploding Star[Credit: NASA, ESA, P. Challis and R. Kirshner (Harvard-Smithsonian Center for Astrophysics)] http://www3.uni-bonn.de/Pressemitteilungen/174-2014 A String of 'Cosmic Pearls' Surrounds an Exploding Star[Credit: NASA, ESA, P. Challis and R. Kirshner (Harvard-Smithsonian Center for Astrophysics)] 11.08.2014