This view shows the galaxy cluster Abell 2764 (top right), which comprises hundreds of galaxies within a vast halo of dark matter. Euclid captures many objects in this patch of sky, including background galaxies, more distant clusters, and interacting galaxies throwing off streams and shells of stars. This complete view of Abell 2764 and surroundings — obtained thanks to Euclid’s impressively wide field-of-view — allows scientists to ascertain the radius of the cluster and see its outskirts with faraway galaxies still in frame.