Title:[3062] Asteroid 4 Vesta from the Hubble Space Telescope Caption:A series of images taken by the Hubble Space Telescope between 28 November and 1 December 1994, showing the full 5.34-hour rotation of Vesta. With a diameter of 525 km (325 miles), it is the third largest asteroid. Analysis shows it has the form of a mini-planet with a sub-surface mantle, exposed by a large impact basin, and lava flows. Copyright: Credit:B. Zellner and NASA