'Ghost stars' haunt the center of the Milky Way galaxy. Now we know why
The galactic bulge at the heart of the Milky Way is haunted by the ghosts of dead stars spread out as a mysterious arrangement of planetary nebulas.
TroibNews 
The galactic bulge at the heart of the Milky Way is haunted by the ghosts of dead stars spread out as a mysterious arrangement of planetary nebulas.
