What Lies Behing Hot Dust (IMAGE) University of Sussex Caption A portion of the region of the sky investigated by the paper, as seen by Herschel. This region is about 1.5 times the size of the full moon in the sky. Credit JIllian Scudder Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.