HST image: NASA, ESA, J. Parker (Southwest Research Inst.), and L. McFadden (Univ. of Md.); Computer model: P. Thomas (Cornell Univ.), B. Zellner (Georgia Southern Univ.), NASA
Vesta is shaped like a mushroom and appears to be dry. Its varied landscape ranges from lava flows to a deep crater near its southern pole, which resulted from a major collision. Vesta's physical characteristics are similar to those of the inner rocky planets, like Earth.