Nasa; Bright Spots On Ceres Probably Salt -Dawn Probe Back in Action at Dwarf Planet Ceres After Glitch
Dawn will be 900 miles above bright spots in about 5 weeks-and now a glitch in the 'mechanical gimbal system that swivels ion engine #3'
Dawn Probe Back in Action at Dwarf Planet Ceres After Glitch
http://www.space.com/29984-dawn-spacecraft-ceres-gli
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