Comparative study reveals true trajectory of the North Celestial Pole's movement, indicating its significance in satellite navigation and Earth evolution theories.
Based on an overview of the understanding of the movement of the North Celestial Pole by astronomical circles throughout history, both in China and abroad, the paper uses a comparative study method involving astronomy, geology, and geography to verify the true movement trajectory of the North Celestial Pole and explore its guiding significance in the theory of Earth evolution and its practical application value in modern global satellite positioning and navigation. In addition, the paper redefines or explains related concepts such as the ecliptic pole, precession, and nutation.
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Xiaoqiang Guo (2025) studied this question.
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