Difference between revisions of "Autumnal equinox"

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Source: Atmospheric Chemistry Glossary
 
Source: Atmospheric Chemistry Glossary
 
[[Category: Uncategorized]]
 
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Revision as of 20:34, 19 August 2019

Point at which on the celestial sphere that the equator and the Ecliptic intersect. Generally the autumnal equinox occurs on or about September 23 in the northern hemisphere; this also signifies spring in the southern hemisphere.

[Encyclopedia of Astronomy; Satterthwaite, Gilbert; 29; 1971; St. Martins Press; NY.] [ Glossary of Astronomy and Astrophysics; Hopkins, Jeanne; 51; 1976; University of Chicago; Chicago.]

Source: Atmospheric Chemistry Glossary

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