New Source of Intense Gamma-Radiation in the Sky (image) Lomonosov Moscow State University Share Print E-Mail Caption This is an artist's impression of the clash of powerful stellar winds. Credit NASA/C. Reed Usage Restrictions None Share Print E-Mail 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.