4 ms·
More about the ion engines: http://dawn.jpl.nasa.gov/mission/ion_prop.asp http://dawn.jpl.nasa.gov/mission/ion_prop.asp
by sehugg 15y ago
More about the ion engines:
http://dawn.jpl.nasa.gov/mission/ion_prop.asp http://dawn.jpl.nasa.gov/mission/ion_prop.asp