• Deep Space 1 ion engine

• original description: Deep Space 1 is lifted from its work platform, giving a closeup view of the experimental solar-powered ion propulsion engine. The ion propulsion engine is the first non-chemical propulsion to be used as the primary means of propelling a spacecraft.

• source: http://prometheus.jpl.nasa.gov/index.cfm?pageL1=multimedia&pageL2=images&image=DeepSpace1 archive copy at the

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