Resources Young and Old Crater at the Night and Day Boundary on Vesta Photojournal: PIA14777 Source: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA Published: September 21, 2011 NASA's Dawn spacecraft obtained this image of a young and old crater at the night and day boundary on asteroid Vesta. The image has a resolution of about 260 meters per pixel. ENLARGE