Image of a Gamma-ray burst (IMAGE) Royal Astronomical Society Caption Gamma-ray bursts (like the one depicted in this artist’s impression) are the most violent explosions in the Universe, releasing more energy than the Sun would in 10 billion years. Credit NASA/Swift/Cruz deWilde Usage Restrictions No restrictions. License Public Domain 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.