秋分(Autumnal Equinox)是传统的二十四节气之一。二十四节气在公历(太阳历)上的日期相对固定，在阴历(月相历)则跳来跳去。中国的农历是以阴历为主辅以太阳的二十四个节气。古代中国是农耕社会，二十四个节气与太阳有个，与农业生产的积温有关，所以二十节气对古代中国的农耕极其重要。但对习惯于月相的阴历古代中国人...
Define autumnal equinox. autumnal equinox synonyms, autumnal equinox pronunciation, autumnal equinox translation, English dictionary definition of autumnal equinox. n. 1. One of two points at which the ecliptic intersects the celestial equator. At the au
Autumnal definition: belonging to or suggestive of autumn; produced or gathered in autumn. See examples of AUTUMNAL used in a sentence.
Get to know all about the Autumnal Equinox with our fun facts and worksheets, perfect for lessons and study! Download free samples now
The Autumnal Equinox.(SPORTS) Synonyms Autumnal point ; Vernal point Definition The equinox is one or the other of the two points on the celestial sphere where the equatorial plane intersects the ecliptic plane. When the Sun is at one of these points, daytime and ni... J Gilbert 被引量:...
Spring Equinox The Spring Equinox is the first day of spring. The Spring Equinox happens as the sun reaches the equator from the southern to the northern hemisphere, marking the start of the spring season. The North Pole continues to lean back against the sun. The day and night are nearly...
The annual September, fall, or autumnal equinox often stumpspeople, but this year it coincides...Spotts, Pete
Studying the stars helps astronomers understand the changes of the seasons on Earth. To learn more, you can read or watch the lesson named Autumnal Equinox Lesson for Kids: Definition & Explanation. The following topics will be covered:
The equinox is a powerful day to observe balance in the natural world, due to the balance of dark and light, night and day. Yoga Anytime teacher, Ali Cramer, offers a ritual to help us celebrate the Fall Equinox and cultivate a sense of balance and harmony in our lives. ...
According to the astronomical definition of theseasons, the autumnal equinox also marks the beginning ofautumn, which lasts until thewinter solstice(December 21 or 22 in the Northern Hemisphere, June 20 or 21 in the Southern Hemisphere).