Earth in motion.

Shows the spherical nature of the earth, its rotation, and its elliptical orbit about the sun. Day and night are explained by the earth's rotation. The change in inclination of the earth's axis and the movement of the earth about the sun are shown to result in the succession of seasons.

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Portrays the earth as an astronomical body and discusses its relation to the sun and its motion. Presents evidence of the earth's sphericity, its axis rotation, its revolution about the sun, and inclination of its axis. Permits simulated observation of the earth from the stratosphere, of earth and stars in motion, and of the earth's orbit movement, explaining the causes of night and day and of seasons. For high school, college, and adult groups

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  1. 16mm Filmography (legacy record) — title, year, creator, length, format, sound, genre, video
  2. 16mm Filmography editors — color, description, catalog record, copyright