Time-lapse of Supernova 1987A. (IMAGE) Dunlap Institute for Astronomy & Astrophysics Caption A time-lapse created by U of T astronomer Yvette Cendes shows the shockwave of Supernova 1987A expanding outward over thirty years and slamming into debris that ringed the original star before its demise. Credit Yvette Cendes, Dunlap Institute for Astronomy & Astrophysics, University of Toronto 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.