What is an eclipse?
Uses animation and three-dimensional models to illustrate how the motion of the moon around the earth causes both solar and lunar eclipses. Explains that an eclipse of the sun occurs when the moon passes between the earth and the sun and an eclipse of the moon occurs when the moon passes into the shadow of the earth. Discusses the eclipse seasons. Shows actual time-lapse, telescopic motion pictures of both a lunar and solar eclipse
Film, English, 1965
Film Associates of California, 1965