Angular Momentum Conservation

In the context of aerospace engineering, Angular Momentum Conservation refers to a fundamental principle of physics that states the total angular momentum of a system remains constant unless acted on by an external torque. This principle is crucial in understanding the motion of celestial bodies and designing spacecraft trajectories. For instance, it is used in the design of attitude control systems for spacecraft. These systems use the conservation of angular momentum to maintain or alter the orientation of the spacecraft without the need for external torque, which is particularly useful in the vacuum of space where there are no air molecules to provide resistance. The principle is also used in the analysis of orbital mechanics, helping to predict the movement of planets, satellites, and spacecraft. It is the underlying principle behind many phenomena observed in the universe, such as the constant rotation of planets and stars.
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