Angles
In space and astronautical engineering, angles refer to the measurement of the inclination or orientation of a spacecraft or satellite relative to a reference plane. The reference plane is usually the equatorial plane of the Earth or the ecliptic plane of the solar system. Angles are important in determining the trajectory and attitude of a spacecraft, as well as in the design and operation of communication and remote sensing systems. The most commonly used angles in space and astronautical engineering include the azimuth angle, which measures the spacecraft's position relative to true north, the elevation angle, which measures the spacecraft's position relative to the horizon, and the pitch, roll, and yaw angles, which measure the spacecraft's orientation in three-dimensional space.
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