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Cornelia crater on asteroid Vesta
January 3, 2013 - PASADENA, Calif. -- A new study of images from NASA's Dawn mission examines remarkable, dark-as-coal material that speckles the surface of the giant asteroid Vesta. Scientists are using the images, taken by Dawn's framing camera, to understand the impact environment early in Vesta's evolution.
Canuleia, Up Close
December 6, 2012 - PASADENA, Calif. -- In a preliminary analysis of images from NASA's Dawn mission, scientists have spotted intriguing gullies that sculpt the walls of geologically young craters on the giant asteroid Vesta.

Canuleia, Up Close
October 31, 2012 - PASADENA, Calif. -- Data from NASA's Dawn mission show that a form of weathering that occurs on the moon and other airless bodies we've visited in the inner solar system does not alter Vesta's outermost layer in the same way.

Full view of giant asteroid Vesta
September 26, 2012 - PASADENA, Calif. -- Enormous troughs that wrap around the giant asteroid Vesta may actually be dropped blocks of terrain bounded by fault lines, suggesting a geologic complexity beyond that of most asteroids.

Hydrated material map indicating the presence of hydrated minerals on giant asteroid Vesta
September 26, 2012 - PASADENA, Calif. -- The mechanism that incorporates water into the terrestrial planets is a matter of extensive debate for planetary scientists. Now, observations of the giant asteroid Vesta by NASA's Dawn mission suggest that hydrated materials were delivered to it mainly through a buildup of small particles during an epoch when the solar system was rich in dust.


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