Topic: Christopher Russell
Asteroid Vesta: The Dawn spacecraft last month slipped into orbit around the 330-mile-wide rocky body with little fanfare and began beaming back incredible details of the pockmarked surface that resembles Earth's moon.
08/01/2011 12:52 pm
Vesta and Ceres, the two largest objects in the asteroid belt, have mystified scientists for centuries. With NASA satellite Dawn on final approach to Vesta, the wait is almost over.
06/23/2011 07:22 pm