Abell 1689 Hubble ACS/WFC
Abell 1689 Hubble ACS/WFC

Tags
Astronomical, Dark Matter, Exotic, Galaxies, Galaxy Clusters, Hubble Telescope

Credits

Credit: NASA, ESA, E. Jullo (Jet Propulsion Laboratory), P. Natarajan (Yale University), and J.-P. Kneib (Laboratoire d'Astrophysique de Marseille, CNRS, France)

Acknowledgment: H. Ford and N. Benitez (Johns Hopkins University), and T. Broadhurst (Tel Aviv University)