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Dawn On Alternate Approach To Ceres After Cosmic Ray Hiccups Ion Drive

After 14 months at Vesta, the Dawn spacecraft swung around for its second mission target: Ceres. After a rogue cosmic ray jumbling the best laid plans in September, the spacecraft is in its approach phase to slip into orbit around Ceres on March 6, 2015 just a half-day behind schedule. » 12/31/14 2:41am 12/31/14 2:41am