Silently streaking through the main asteroid belt, emitting a blue-green beam of xenon ions, Dawn continues its ambitious interplanetary expedition - Dawn-Journal-May-31 - discu.eu

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Silently streaking through the main asteroid belt, emitting a blue-green beam of xenon ions, Dawn continues its ambitious interplanetary expedition - Dawn-Journal-May-31 http://dawnblog.jpl.nasa.gov/2014/05/31/dawn-journal-may-31/ 3 comments 2/6/2014 space