NASA's proposed asteroid-snaring mission would ride on Glenn ion engines (video)
Glenn engine’s cobalt ion stream will aim for an asteroid snare it like a Venus flytrap, then fire up the ion engines and haul into orbit around the moon.
Read MoreGlenn engine’s cobalt ion stream will aim for an asteroid snare it like a Venus flytrap, then fire up the ion engines and haul into orbit around the moon.
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