Supernova Remnant Crab Nebula (IMAGE) Technical University of Munich (TUM) Caption A new discovery, and the questions it raises, could help explain in greater detail how elements are synthesized in stellar explosions -- such as the supernova that left behind the Crab Nebula. Credit VLT/ESO Usage Restrictions Courtesy: VLT/ESO 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.