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Dawn Longs for Vesta’s Gravitational Pull

0By Marc Rayman NASA’s Dawn spacecraft is less than two months away from getting into orbit around its first target, the giant asteroid Vesta. Each month, Marc Rayman, Dawn’s chief engineer, shares an update on the mission’s progress. Artist’s concept of the Dawn spacecraft using its ion propulsion system during the approach to Vesta. Image [...]...

May 28, 2011 / More »