(last updated January 22, 2003)
Summer Solstice |
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Winter Solstice |
Above pictures from Here Comes the Sun: A Solar/Terrestrial Tutorial
by The Plymouth State College Meteorology Program
Physical Geography: A Landscape Appreciation 7e - Chapter 1
Data Services
from the U.S. Naval Observatory Astronomical Applications Department
Earth-Sun Geometry by Dr. Michael Pidwirny
Okanagan University College
Earth Viewer; Solar System Live