When neutron stars collide, they produce an explosion that, contrary to what was believed until recently, is shaped almost like a perfect sphere. Although how this is possible is still a mystery, the discovery may provide a new key to measuring the age of the Universe. The discovery was made by an international collaboration with participation of researchers of the GSI Helmholtzzentrum für Schwerionenforschung in Darmstadt and led by astrophysicists from the University of Copenhagen. The result…
