|| Back to Lectures || A. Introduction) || B. Measurements || C. Motion of sky || D. Motion of Sun || E. Moon || F.History || G. Motion || H. Newton's laws || I. Gravity || J. Work-Energy || K. Electricity-Waves || L. Gas laws || The End ||

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Astronomy References 1) Encyclopedia 2) Glossary 3) Glossary 4) Astronomy 5) Physical Science

a) Illustrations(1) Explains the basics - the Ecliptic, the Equator, and Coordinate Systems, summer and winter solstice, spring and fall equinox and much more The Ecliptic System and the Zodiac (2) Explains the ecliptic, seasons and more The Ecliptic and the motions of the Sun (3) The path of the Sun, the ecliptic, shown relative to the background stars and the Celestial Equator The motion of Sun (4) Explains the combined motion of The Earth, Sun, and Moon (5) Explains Seasons, Summer and winter Soltice, Equinox, animations and more The Seasons