Vesta closer up
http://www.jpl.nasa.gov/news/news.cfm?release=2011-213
This is the inside of the big south-polar crater. Now I can't tell whether the grooves that seemed to be visible in lower-resolution photos were just a trick of the light.
This is the inside of the big south-polar crater. Now I can't tell whether the grooves that seemed to be visible in lower-resolution photos were just a trick of the light.