Entire Swarm of Black Holes Detected Moving Through The Milky Way

<img width="600" height="243" src="https://www.sciencealert.com/images/2021-07/processed/black-hole-cluster_600.jpg" alt="An entire swarm of black holes has been caught moving through the Milky Way"/>This is fine. 

https://www.sciencealert.com/entire-swarm-of-black-holes-detected-moving-through-the-milky-way