NASA Spacecraft Captures Video of Asteroid Approach
Scientists working with NASA's Dawn spacecraft have created a new video showing the giant asteroid Vesta as the spacecraft approaches this unexplored world in the main asteroid belt. The images show a dark feature near Vesta's equator moving from left to right across the field of view as Vesta rotates. It is roughly 60 miles (100 kilometers) in diameter. Vesta's jagged, irregular shape is also seen, hinting at the enormous crater known to exist at Vesta's south pole. The video loops 20 images obtained by Dawn for navigation purposes on June 1, 2011.
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