On June 25, 2016 at 6pm ET, a flash of visible light appeared in the sky that, depending on your location, could have been visible with binoculars. It wasn’t a plane or a star: it was a gamma ray burst, one of the most violent kinds of explosions in the universe, from a source 9 billion light years away, possibly a…
Source: Gizmodo – Astronomers Capture Wild Intergalactic Gamma Ray Burst As it Happens