"Happy Vernal Equinox! Or, Have You Ever Wondered Why We Call Spring, 'Spring'?"

Scheduled air date: 2003 Mar 10-16


The Sun crosses the Celestial Equator at the Vernal (Spring) and Autumnal (Fall) Equinoxes.
The Sun is ascending ("springing") in March, and descending ("falling") in September.


The Sun rises exactly due East the morning of March 20th...


...and sets exactly due West that evening.

If you wish to view illustrations for other episodes, please see our Star Gazer Illustrated directory.


Illustrations on this page were created using TheSky Astronomy Software, an advanced desktop planetarium program designed for Windows.

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