Field of Science


Abell 1689 Galaxy Cluster

Hubble image of the galaxy cluster Abell 1689 whose massive gravity acts like a lens distorting and magnifying the light of galaxies behind it into the arcs of light surrounding the cluster in this image.
Credit: NASA, ESA, E. Jullo (Jet Propulsion Laboratory), P. Natarajan (Yale University), and J.-P. Kneib (Laboratoire d'Astrophysique de Marseille, CNRS, France)