Last Updated：2025/11/20
Sentence
天文学者たちは、地球の自転軸の歳差によって黄道面に沿って春分点と秋分点が西へとゆっくり移動し、毎年それらの分点がやや早く訪れる現象である春分点の歳差運動を研究して、星々の位置が何千年にもわたってどのように変化するかを理解しようとしている。
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Astronomers study the precession of the equinoxes to understand how the positions of the stars slowly shift over millennia.
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Astronomers study the precession of the equinoxes to understand how the positions of the stars slowly shift over millennia.
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precession of the equinoxes
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