Vesta in Close-Up
The first close-up images of the asteroid Vesta are being sent back by NASA's spacecraft, Dawn. The asteroid at 330 miles across, is so large, that many astronomers classify it as a "protoplanet." More at Space.com.

The first close-up images of the asteroid Vesta are being sent back by NASA's spacecraft, Dawn. The asteroid at 330 miles across, is so large, that many astronomers classify it as a "protoplanet." More at Space.com.