Could galaxy cluster collisions be used as dark matter detectors?
![Could galaxy cluster collisions be used as dark matter detectors?](https://cdn.mos.cms.futurecdn.net/58WPB7nJVmvK8CsHkiy7gM.jpg)
Particle accelerators like the Large Hadron Collider have failed to turn up potential dark matter candidates, but could galaxy cluster smashes be used as cosmic dark matter colliders?