Zee Burst Illustration (IMAGE) Washington University in St. Louis Caption This is a rendering of an observation of the ultra-high energy events that feed into the 'Zee burst' model. Credit Yicong Sui, Washington University Usage Restrictions For editorial purposes 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.