Swift camma-ray burst (IMAGE) Penn State Caption On Oct. 9, 2022, Swift’s X-Ray Telescope captured the afterglow of the brightest gamma-ray burst every recorded, called GRB 221009A. The bright rings form as a result of X-rays scattered from otherwise unobservable dust layers within our galaxy that lie in the direction of the burst Credit NASA/Swift/A. Beardmore (University of Leicester) Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA 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.