Infrared observations have just depicted the dusty vestiges of a planetary system dancing around a dead star. Researchers say that the dust is generated by collisions among comets that outlived both their parent star and the star's innermost planets.
Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.