Dawn’s ion propulsion system

Dawn’s ion propulsion system
Dawn’s ion propulsion system
If only rocketry pioneers Wernher von Braun and Sergei Korolev had lived to see this! The NASA Dawn mission reached its target not with a conventional rocket engine, but with a propulsion system that slowly but constantly accelerated the probe using a concentrated jet of ionised inert gas (xenon).
Credit:

NASA/JPL-Caltech.

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