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Dawn will investigate two of the largest proto-planets in the main asteroid belt, Vesta and Ceres.

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Dawn Re-Lights the Ionic Fire
06.08.09 -- Mission controllers at NASA's Jet Propulsion Laboratory in Pasadena, Calif., have received a transmission from the Dawn spacecraft confirming it has re-ignited its ion propulsion system. Dawn is currently 299 million kilometers (185.6 million miles) from Earth. At that distance, it takes almost 17 minutes for a transmission from the spacecraft to arrive on Earth.
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Last modified: June 9, 2009, 2009

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