Herschel Probes the Dusty History of a Giant Star
An international team led by KU Leuven astronomer Leen Decin and including Martin Groenewegen of ROB discovered not less than a dozen cold dust arcs around the giant star CW Leo. The team used the sensitive PACS instrument on board the Herschel Space Observatory to detect for the first time arcs of dust far away from the star.