An international group of planetary scientists has produced the first global geologic and tectonic map of Vesta, and constructed the geologic time scale for this asteroid. Global geologic map of Vesta, showing the spatial distribution of major types of materials. Image credit: D.A. Williams et al. Vesta is the second largest asteroid of the asteroid main belt and the fourth such object to be discovered. Discovered by Heinrich Wilhelm Olbers on 29...
