How a series of massive galactic collisions created the mysterious Pandora's Cluster

This video explores Abell 2744, a galaxy cluster known as Pandora's Cluster. By analyzing its galaxies, gas, and dark matter, astronomers have reconstructed the violent history of this cosmic structure and identified unique phenomena occurring simultaneously for the first time.

Pandora's Cluster, or Abell 2744, is the result of a complex series of massive collisions. Scientists studying the cluster have mapped the distribution of its galaxies, gas, and dark matter to piece together the events that formed it.

The research reveals a combination of strange phenomena that have never been observed together in a single cluster before. This joint production between the Hubblecast and the European Southern Observatory provides a detailed look at the aftermath of these immense galactic impacts.

Source: ESOcast 31: Pandora's Cluster