Asteroid Ripped Apart to Form Star's Glowing Ring System (2 of 3) (image) University of Warwick Share Print E-Mail Caption This is the debris disc around SDSS1228+1040 (left) in scale to Saturn and his rings (right). While the white dwarf in SDSS1228+1040 is about seven times smaller than Saturn, it weighs 2500 times more. Credit Mark Garlick/University of Warwick Usage Restrictions With credit. Share Print E-Mail 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.