These images of the galaxy cluster Abell 1060 in the optical (left) and X-ray (right) show the galaxies and the hot X-ray emitting gas. Data such as these are used to compare with models of cluster evolution.
These images of the galaxy cluster Abell 1060 in the optical (left) and X-ray (right) show the galaxies and the hot X-ray emitting gas. Data such as these are used to compare with models of cluster evolution.