Accelerometer
An accelerometer is a device that measures proper acceleration, which is the acceleration it experiences relative to freefall and is the acceleration felt by people and objects. In the context of space and astronautical engineering, accelerometers are used to measure the acceleration of spacecraft, rockets, and other vehicles. They are used to monitor the performance of the vehicle, to detect vibrations and oscillations, and to provide feedback for control systems. Accelerometers are also used to measure the gravitational field of planets and moons, and to study the dynamics of celestial bodies. They are essential for navigation and guidance systems, and for the safety of astronauts and equipment in space.
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