News tagged with ion propulsion system

Vesta in Dawn's rear view mirror

(Phys.org)—NASA's Dawn mission is releasing two parting views of the giant asteroid Vesta, using images that were among the last taken by the spacecraft as it departed its companion for the last year.

Sep 11, 2012
4 / 5 (2) 3 | with audio podcast

Dawn gets extra time to explore Vesta

(Phys.org) -- NASA's Dawn mission has received official confirmation that 40 extra days have been added to its exploration of the giant asteroid Vesta, the second most massive object in the main asteroid belt. ...

Apr 19, 2012
5 / 5 (4) 6 | with audio podcast

Dawn team members check out spacecraft

(PhysOrg.com) -- Mission managers for NASA's Dawn spacecraft are studying the spacecraft's ion propulsion system after Dawn experienced a loss of thrust on June 27. Dawn team members were able to trace the ...

Jul 08, 2011
4.8 / 5 (5) 2 | with audio podcast

Dawn Engineers Assess Reaction Wheel

Engineers working on NASA's Dawn spacecraft are assessing the status of a reaction wheel -- part of a system that helps the spacecraft point precisely -- after onboard software powered it off on Aug. 8. ...

Aug 14, 2012
5 / 5 (2) 0

GOCE's 'heart' starts beating

GOCE's highly sensitive gradiometer instrument has been switched on and is producing data. Forming the heart of GOCE, the gradiometer is specifically designed to measure Earth's gravity field with unprecedented ...

Apr 08, 2009
5 / 5 (3) 0