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
Elemental Geosystems Chapter 2 - Destinations
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