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Wandering Black Hole Disrupts Wandering Star in Rare Galactic Encounter

A seldom-seen cosmic event involves a wandering black hole tearing apart a wandering star, occurring approximately once every 100,000 years.

31 July 2026 · 13:23 · 1 sources

A wandering black hole and a wandering star met in a remote region of a galaxy, resulting in a rare encounter. The black hole's immense gravity pulled on one side of the star, a process known as "spaghettification," which extracted a stream of gas from the star. This gas eventually formed a disk around the black hole. Such events are estimated to happen once every 100,000 years.

Sources

Universe Today — A Wandering Black Hole Meets a Wandering Star

THE QUESTIONS THIS EVENT LEAVES BEHIND

What mechanisms cause black holes and stars to wander through galaxies to enable such encounters?

How does the formation of a gas disk around a black hole impact its growth or activity?

What observational methods can detect such rare black hole-star interactions?

How might such tidal disruptions affect the surrounding galactic environment?

What assumptions underlie the estimated frequency of these black hole-star encounters?

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