Thruster

A thruster is a small propulsive device used by spacecraft and watercraft for station keeping, attitude control, or long duration low thrust acceleration.

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See also:

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• spacecraft propulsion
• monopropellant rockets
• hall effect thruster
• ion thruster
• magnetoplasmadynamic thruster
• pulsed inductive thruster
• pulsed plasma thruster

Spacecraft: A spacecraft is a vehicle that travels through space. Spacecraft include robotic or unmanned space probes as well as manned vehicles. The term is sometimes also used to describe artificial satellites, which have similar design criteria....

Watercraft: A watercraft is a vehicle designed to float on and move across (or through) water for pleasure, physical exercise (in the case of many small boats), transporting people and/or goods, or military missions....

Station keeping: Station keeping is the practice of maintaining the orbital position of satellites in geostationary orbit. Automatic and Earth-station systems monitor and maintain a satellite's position with telemetry instrumentation and on-board thruster systems....