Resources Odds of a Cosmic Bullseye Photojournal: PIA21614 Source: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA Published: June 2, 2017 The 16-mile-wide (26-kilometer-wide) crater Insitor is located almost exactly in the center of Kerwan crater on Ceres, as seen by NASA's Dawn spacecraft. ENLARGE