Precession is the rotation of a body's spin axis about another direction, such as the vertical or the conserved angular-momentum vector.
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Precession refers to the gradual change or movement in the orientation of an astronomical body's rotational axis or orbital path. It occurs in various contexts in astronomy and physics, but one of the most commonly discussed forms is axial precession. ### Axial Precession (Precession of the Equinoxes) This is the phenomenon where the rotation axis of a planet (like Earth) wobbles over time.
