Credit: NASA, public domain Gridded ion thrusters have seen plenty of use, too. NASA’s NSTAR ion engine was installed on the Deep Space 1 probe, which was sent out to fly by a comet and asteroid ...

The DLR-Institute of Aerodynamics and Flow Technology performs a lifetime qualification test of ArianeGroup’s radio frequency gridded ion thruster RIT2x in the Electric Space ... is due to the long ...