Cosmic rarities, like merging galaxies and gravitational lensing phenomena can be seen in this section of the GOODS/ERS2 field. Image credit: NASA, ESA, R. Windhorst, S. Cohen, M. Mechtley, and M. Rutkowski , R. O’Connell , P. McCarthy , N. Hathi , R. Ryan , H. Yan , and A. Koekemoer .