the first point of Aries
vernal equinox

ii. That instant the sun reaches the point of zero declination when crossing the celestial equator from south to north.
单词 | the first point of aries |
释义 | the first point of Ariesvernal equinox![]() ii. That instant the sun reaches the point of zero declination when crossing the celestial equator from south to north. |
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