Space.com #Neutron Stars Unite To Form ‘Pencil-Thin’ Radiation Beams | Video 10 August 2016 fborgosano Leave a comment Share: In Sept. 2014, NASA’s Swift spacecraft detected a gamma-ray burst (GRB 140903A). By combining the data with x-ray and optical observation, astronomers determined that it was caused by a merger of neutron stars in a galaxy billions light years away from Space.com ift.tt/2bgs6Fl Share: