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Autumnal (Fall) Equinox
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Society and Culture
Holidays and Observances
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Eric Weisstein's World of Astronomy: Autumnal Equinox
Date when night and day are nearly of the same length and the Sun crosses the celestial equator moving southward.
Fall Equinox: The Science and Significance of the Autumnal Equinox
Offers a briefly introduction to the autumnal equinox, a sure sign of fall.
Fall Equinox Celebrations
Looks at how people of ancient and modern times, and various faiths, have celebrated the Autumnal Equinox.
eSky: Autumnal Equinox
Explains and defines the equinox. Includes a table of year, date, and times.
All About the Autumnal Equinox
Offers information and activities for children interested in learning about the equinoxes.
Fun facts about the equinox, and photos of an elementary school learning about and celebrating the occasion.
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