It's rare for galaxy clusters to collide and merge at high speeds. An iconic example is the Bullet Cluster, the aftermath of two vast galaxy clusters that collided. To be able to "replay" what happened, and in which order, researchers need to first fully define all the contents in this scene.NASA Webb 'Pierces' Bullet Cluster, Refines Its Mass
July 04, 2025
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It's rare for galaxy clusters to collide and merge at high speeds. An iconic example is the Bullet Cluster, the aftermath of two vast galaxy clusters that collided. To be able to "replay" what happened, and in which order, researchers need to first fully define all the contents in this scene.