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Dawn has Departed the Giant Asteroid Vesta
by Staff Writers
Pasadena CA (JPL) Sep 06, 2012


bye bye ...

Mission controllers received confirmation that NASA's Dawn spacecraft has escaped from the gentle gravitational grip of the giant asteroid Vesta. Dawn is now officially on its way to its second destination, the dwarf planet Ceres.

Dawn departed from Vesta at about 11:26 p.m. PDT on Sept. 4 (2:26 a.m. EDT on Sept. 5). Communications from the spacecraft via NASA's Deep Space Network confirmed the departure and that the spacecraft is now traveling toward Ceres.

"As we respectfully say goodbye to Vesta and reflect on the amazing discoveries over the past year, we eagerly look forward to the next phase of our adventure at Ceres, where even more exciting discoveries await," said Robert Mase, Dawn project manager, based at NASA's Jet Propulsion Laboratory, Pasadena, Calif.

Launched on Sept. 27, 2007, Dawn slipped into orbit around Vesta on July 15, 2011 PDT (July 16 EDT). Over the past year, Dawn has comprehensively mapped this previously uncharted world, revealing an exotic and diverse planetary building block.

The findings are helping scientists unlock some of the secrets of how the solar system, including our own Earth, was formed.

A web video celebrating Dawn's "greatest hits" at Vesta is available here. Two of Dawn's last looks at Vesta are also now available, revealing the creeping dawn over the north pole.

Dawn spiraled away from Vesta as gently as it arrived. It is expected to pull into its next port of call, Ceres, in early 2015.

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Related Links
Dawn at NASA
Dawn at JPL
Asteroid and Comet Mission News, Science and Technology






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IRON AND ICE
NASA Announces Asteroid Naming Contest for Students
Greenbelt MD (SPX) Sep 05, 2012
Students worldwide have an opportunity to name an asteroid from which an upcoming NASA mission will return the first samples to Earth. Scheduled to launch in 2016, the mission is called the Origins-Spectral Interpretation-Resource Identification-Security-Regolith Explorer (OSIRIS-REx). Samples returned from the primitive surface of the near-Earth asteroid currently called (101955) 1999 RQ3 ... read more


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