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: X-ray echoes of a shredded star provide close-up of ‘killer’ black hole

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