Cosmic dust belts without dust

[unable to retrieve full-text content]Planets and asteroids, red giants and brown dwarfs ? there are all kinds of objects in our Universe. Debris disks are among them. These are belts consisting of countless dust particles and planetesimals, circling around one central star. Debris disks are an important piece in the puzzle to be able to better understand the variety of planetary systems.

Source: http://www.sciencedaily.com/releases/2013/07/130708102936.htm

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