Hubble Images of Asteroids Help Astronomers Prepare for Spacecraft Visit
*Description*:> Astronomers used Hubble's Wide Field Planetary Camera 2 to snap new images of the asteroid Vesta on May 14 and 16, 2007. Using Hubble, astronomers mapped Vesta's southern hemisphere, a region dominated by a giant impact crater formed by a collision billions of years ago. The crate...