Eta Corvi System

A Billion year old system containing two dust belts perhaps experiencing a phase of heavy bombardment. One is interpreted as the result of the collision of a giant comet and a rocky planet, or with another comet. Another is a Kuiper-belt like structure, which may be the source of the comets.

System in Heavy Bombardment Stage? (Nov 2011)

 * http://www.astronomynow.com/news/n1110/21water/