Dead star's twin-ring debris disk hints at our solar system's far future
Astronomers say a white dwarf encircled by two dusty rings offers a glimpse of what may happen to the planets when the sun dies
Astronomers have spotted a dead star surrounded by a debris disk split into two distinct rings, a configuration they believe was shaped by two planetary bodies that partly survived the star’s violent transformation and a possible preview of the solar system’s fate billions of years from now.