Astronomers using ESA’s Herschel Space Observatory have captured the first images of a dust belt orbiting a subgiant star known to host a planetary system. Kappa Coronae Borealis, based on Herschel observations at 100 μm (ESA / Bonsor et al) “This is the first ‘retired’ star that we have found with a debris disc and one or more planets,” said Dr Amy Bonsor of the Institute de Planétologie et d’Astrophysique de Grenoble, lead author of...
