Black holes - the supermassive gravitation forces at the center of most galaxies - actually spend much of their time dormant, or essentially asleep. Astronomers have now spotted one not only ...

From boring to bursting: Giant black hole awakens Date: April 11, 2025 Source: European Space Agency Summary: Astronomers are investigating the longest and most energetic bursts of X-rays seen ...

(CN) — A massive black hole in a distant galaxy has suddenly become active, transforming it from a quiet neighbor into a brilliantly shining celestial object. In 2019, the galaxy SDSS1335+0728, ...

This is what it looks like when a black hole awakens. Astronomers say a previously “inactive” galaxy lit up as the massive black hole at its center started to feast on gas and dust, creating a ...

A black hole is a terrifying concept, but the mysterious nexus of physics and space-time isn’t always gobbling up matter. While famous for devouring anything and everything in its gravitational ...

An illustration of the galaxy’s accretion disc, a supermassive black hole at its center. Illustration: ESO/M. Kornmesser The galaxy is SDSS1335+0728 (and that’s just its nickname—seriously!).

Astronomers have discovered that a mysterious galaxy getting brighter in the far, far distance is actually the sudden awakening of a giant black hole 1 million times bigger than the sun.

From boring to bursting: a giant black hole awakens. European Space Agency. Journal Nature Astronomy DOI 10.1038/s41550-025-02523-9. Keywords /Space sciences/ Astronomy ...

Astronomers for the first time have observed a supermassive black hole waking up and setting the heart of its host galaxy alight, the European Southern Observatory said on Tuesday. The galaxy 300 ...

A Black Hole Awakens in a Distant Galaxy, Producing X-Ray Bursts Learn why a black hole is becoming active and why experts still can't explain the source of its regular, periodic pattern of X-ray ...

This was true of the black hole at the heart of SDSS1335+0728, a distant and unremarkable galaxy 300 million light-years away in the constellation of Virgo.

From boring to bursting: a giant black hole awakens. European Space Agency. Journal Nature Astronomy DOI 10.1038/s41550-025-02523-9. Keywords /Space sciences/ Astronomy ...