autumnal equinox definition

  • noun:
    • the point where the ecliptic intersects the celestial equator, sunlight having a southerly motion.
    • the minute of which the sun's rays passes through the autumnal equinox, about September 23, marking the beginning of autumn inside north Hemisphere.
    • the minute once the sun generally seems to mix the celestial equator, heading southward
    • the main point where the ecliptic intersects the celestial equator at that time
    • September 22
    • (astronomy) the equinoctial point that lies in the constellation of Virgo
    • The point at which the ecliptic intersects the celestial equator, the sun having a southerly motion.
    • when of which the sun passes through the autumnal equinox, about September 23, marking the start of autumn into the north Hemisphere.
    • as soon as whenever sunlight generally seems to get across the celestial equator, heading southward
    • the main point where the ecliptic intersects the celestial equator at that time
    • September 22
    • (astronomy) the equinoctial point that is based on the constellation of Virgo
  • adjective:
    • the time as soon as the sun crosses the equator, since it continues southward, or when it passes the autumnal point.
    • the full time when the sunshine crosses the equator, whilst proceeds southward, or when it passes the autumnal point.

Related Sources

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    • initial day's autumn, they day once…
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