Dawn Spacecraft Shuts Down Ion Engines - Universe Today
[/caption] The Dawn spacecraft’s three ion engines have done their work for now, and mission engineers shut down the frugal but powerful ion propulsion system on Thursday as scheduled. The spacecraft is now gliding toward a Mars flyby/gravity assist in February 2009. “Dawn has completed the thrusting it needs to use Mars for a gravity … Continue reading "Dawn Spacecraft Shuts Down Ion Engines"