X-ray echoes of a shredded star provide close-up of 'killer' black hole

Billions of years ago in the heart of a distant galaxy, a monster black hole shredded a passing star and emitted X-rays. Now astronomers are using X-ray echoes to study a newly awakened black hole for the first time.

Source: ScienceDaily Headlines - June 22, 2016 Category: Science Source Type: news