!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> Streamline Training & Documentation: Fall Equinox 2008

Monday, September 22, 2008

Fall Equinox 2008

To mark this year's Fall Equinox, here is a graphic of the celestial sphere, as diagrammed for students in astronomy courses taught by Guy Worthey at Washington State University . . .

The annual equinoxes and solstices fall along the ecliptic — the apparent path of the sun, relative to the stars on the celestial sphere, over the course of a year.