Galaxies Magnified by Galaxy Cluster Abell 1689's Gravitational Lens. Credit: NASA, N. Benitez (JHU), T. Broadhurst (The Hebrew University), H. Ford (JHU), M. Clampin (STScI), G. Hartig (STScI), G. Illingworth (UCO/Lick Observatory), the ACS Science Team and ESA (NASA Media Archives). Buy this as a superb wall poster, a canvas print or a framed print.