Astronomers Witness Dark Matter Go Rogue in Epic Galaxy Cluster Collision

<img width="1024" height="415" src="https://www.sciencealert.com/images/2024/07/GalaxyCollisionGIF-1.gif" alt="Two orange and blue blobs of light colliding in space"/>
It doesn't like slowing down. 

https://www.sciencealert.com/astronomers-witness-dark-matter-go-rogue-in-epic-galaxy-cluster-collision