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This is an activity about the Earth's revolution as it relates to the zodiac. Learners will role-play, acting as the revolving Earth and Sun, while others will hold signs of the 12 zodiac constellation names to form a circle around the Earth-Sun system. Then, they will model the motion of the Earth-Sun system during the year in order to visualize why the Sun appears to move into different constellations. This is Activity F-9 of Universe at Your Fingertips 2.0: A Collection of Activities and Resources for Teaching Astronomy DVD-ROM, which is available for purchase.