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Black hole wakes after decades-long nap

June 2025

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BBC Sky at Night Magazine

A giant black hole has suddenly come to life in a flurry of X-ray flashes

Black hole wakes after decades-long nap

Black holes are often thought to be hungry giants eating as much matter as they can. But one black hole has left astronomers puzzled. After a nap that lasted decades, Ansky, the black hole at the centre of the SDSS1335+0728 galaxy, has burst back to life in dizzying style.

المزيد من القصص من BBC Sky at Night Magazine

BBC Sky at Night Magazine

BBC Sky at Night Magazine

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BBC Sky at Night Magazine

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BBC Sky at Night Magazine

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BBC Sky at Night Magazine

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