In 1984, the first debris disk orbiting another star was observed around Vega. Think of a debris disk as the leftovers from solar system formation, analogous to the asteroid or Kuiper belts.

Vega, located in the constellation Lyra, is the fifth-brightest star in the night sky. It is known to be surrounded a disk of particle debris that's almost 100 billion miles (160 billion ...

Caption [left] A Hubble Space Telescope false-color view of a 100-billion-mile-wide disk of dust around the summer star Vega. Hubble detects reflected light from dust that is the size of smoke ...