Steffani Grondin (IMAGE) University of Toronto Caption Lead author and University of Toronto graduate student Steffani Grondin pictured in front of one of the Magellan Telescopes while observing white dwarf-main sequence binaries at the Las Campanas Observatory in Chile. Credit Credit: Steffani Grondin Usage Restrictions NA License Original 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.