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equinoctial point

/ˌiːkwɪˈnɒkʃəl pɔɪnt/

翻译: 天球上黄道与天赤道相交的两个点之一,表示太阳在春分和秋分时的位置。

1 个条目

phrase

/ˌiːkwɪˈnɒkʃəl pɔɪnt/C2formalscientific
  • zh天球上黄道与天赤道相交的两个点之一,表示太阳在春分和秋分时的位置。

Either of the two points in the sky where the celestial equator intersects the ecliptic, marking the positions of the Sun at the vernal and autumnal equinoxes.

  1. Celestial intersectionC2formal

    Either of the two points in the sky where the celestial equator intersects the ecliptic, marking the positions of the Sun during the vernal and autumnal equinoxes.

    zh二分点

    • The Sun passes through the equinoctial point around March 20th each year.
    • Astronomers use the equinoctial point as a reference for celestial coordinates.
    • The equinoctial point shifts slowly over time due to precession.