The Bullet Cluster, named for its distinctive shape, has long been considered a smoking gun for the existence of dark matter ...

Webb’s new images of the Bullet Cluster reveal the most detailed dark matter map yet, shedding light on cosmic collisions and ...

Jee compared dark matter to crystal-clear water in a pond, with pebbles as the galaxies. “You cannot see the water unless ...

NASA's James Webb Space Telescope recently zeroed in on the Bullet Cluster—delivering highly detailed images that show a greater abundance of extremely faint and distant galaxies than ever before.

It means that the Bullet Cluster collision is still exceptional, but only in the one-in-a-hundred sense and not in the one-in-100-million sense indicated by the earliest research.

The Bullet Cluster is a massive collection of two large groups of galaxies some 3.8 billion light-years distant. Skip to content Introducing the all-new Astronomy.com Forum!

Where the cluster is quiescent, there's no separation of matter from gravitation. H.S. Hwang et al., ApJ, 797, 2, 106 When your cluster is undisturbed, the gravitational effects are located where ...

Dark matter just got a shade more mysterious. Scientists studying a smashup between giant clusters of galaxies have watched how each cluster’s dark matter passes through the collision – and ...