One of the brightest and most mysterious cosmic explosions ever seen has left astronomers scratching their heads in puzzlement. In June 2023, a burst of gamma rays, the most energetic form of light, was detected by NASA’s Neil Gehrels Swift Observatory. This was soon followed by a wave of X-rays and then a few weeks later by a bright optical flash. But despite the intensity of the event, no radio waves were detected. This has left astronomers wondering how such a powerful explosion could occur without any detectable radio emission.

Read Full Article Here

source: Phys.org