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Summer Solstice

<============SUN============> .

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

Alan's World