challenge question #2Sgalippi, Marykristin (MSgalipp@Hatboro-Horsham.org)Wed, 17 Mar 1999 11:54:02 -0500
On March 20, 1999 the lines of each photo period will intersect. The reason fro this is that March 20 is the Vernal Equinox. That means the time that the sun crosses the equator, making night and day of equal lenth in all parts of the world. The Vernal Equinox occurs around March 21. And the Autumnal Equinox occurs around September 22. We found our information on calendars, internet, and Webster's dictionary. Sent in by: Mrs. Sgalippi's 4th grade class Horsham PA
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