A Gamma-ray Burst (image) International Centre for Radio Astronomy Research Caption This is an artist's impression of a Gamma-ray Burst, showing the two intense beams of relativistic matter emitted by the black hole. To be visible from Earth, the beams from the Gamma-ray Burst must be pointing directly towards us. Credit Credit: NASA/Swift/Mary Pat Hrybyk-Keith and John Jones. Usage Restrictions With credit as above. 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.