[extropy-chat] Re: ion engine

[Amara Graps]

Robert Bradbury:
>The choice for asteroids might be oxygen

FYI: The ion drive for the Dawn mission to Vesta and Ceres
uses xenon (building on the ion drive 'heritage' from DS1).

http://www-ssc.igpp.ucla.edu/dawn/mission.html

-- 

Amara Graps, PhD
Istituto di Fisica dello Spazio Interplanetario (IFSI)
Istituto Nazionale di Astrofisica (INAF), Roma, ITALIA
Amara.Graps at ifsi.rm.cnr.it