Runaway supermassive black hole?

[timmdeeg]

There seems evidence for a runaway supermassive black hole.

https://phys.org/news/2023-04-strange-streak-young-stars-evidence.html

A Yale University-led team using NASA's Hubble Space Telescope and W. M. Keck Observatory on Maunakea in Hawaiʻi discovered an unusual, very thin, almost straight streak of young stars and shocked gas—possibly the trail the black hole left behind as it escaped.

 

[vanhees71]

The scientific paper is also available in open access:

https://iopscience.iop.org/article/10.3847/2041-8213/acba86