Astronomers spot blue ’beast’ of an explosion in the universe

►►► Subscribe free: There’s a “new beast“ lurking out there in the universe. It first showed itself four years ago, when astronomers observed a bright burst of light coming from a tiny galaxy about 500 million light-years from Earth. Now, they know it was a fast blue optical transient, captured in radio waves and X-rays. It produced one of the fastest outflows ever observed, blasting out gas and particles at more than 55% the speed of light. The amount of material in th