Astronomers have identified the first two twin stars doomed to collide in a kilonova explosion
Although massive stars usually die in spectacular explosions, only a handful of them fizzle out like failed fireworks. Astronomers have located the remnants of one of these unexploded fireworks in SGR 0755-2933, a neutron star About 11,400 light-years away a land In the southern constellation Puppis. In new research, scientists say that earlier in his …