Last Updated：2025/11/20

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The slow westward shift of the equinoxes along the plane of the ecliptic, resulting from precession of the earth's axis of rotation, and causing the equinoxes to occur earlier each year

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precession of the equinoxes

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precession of the equinoxes

Noun

The slow westward shift of the equinoxes along the plane of the ecliptic, resulting from precession of the earth's axis of rotation, and causing the equinoxes to occur earlier each year

Japanese Meaning

地球の自転軸の歳差によって、黄道面上の分点（春分点や秋分点）が西向きに緩やかに移動する現象

What is this buttons?

Astronomers study the precession of the equinoxes to understand how the positions of the stars slowly shift over millennia.

Google Translation / DeepL Translation

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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Sense（1）

The slow westward shift of the equinoxes along the plane of the ecliptic, resulting from precession of the earth's axis of rotation, and causing the equinoxes to occur earlier each year

precessions of the equinoxes

（ plural ）

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precession of the equinoxes

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