Tag: valves
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Psyche keeps its date with an asteroid, but now it’s running in backup mode
A NASA spacecraft bound for an unexplored metal-rich asteroid has reignited its plasma thrusters, continuing its cruise deeper into the Solar System after switching to a backup fuel line. The $1.4 billion Psyche mission, built to explore an asteroid with the same name, has four electric thrusters fueled by xenon gas. Psyche’s solar-electric propulsion system…