Space/Science — HabitableZone

Space/Science » in reply to Now that the Dawn missions to the asteroids are cancelled....

Ion engines might not live up to expectations

Deep Space 1 and Smart-1 have worked well, AFAIK, but Dawn and Hayabusa have problems or are cancelled, and Bepi-Colombo keeps getting postponed.

I don't know of any other ion engine proposals on the books...

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