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  1. Algol, The Demon Star (1973 Film)

    Subject
    Astronomy
    Distribution
    Film (16mm)

    Algol, or Beta Persei, is a representative eclipsing binary system. The film presents the properties of Algol and the methods used by astronomers to infer the physical characteristics of this star system. At...

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  2. Star System: Xi Ursae Majoris (1973 Film)

    Subject
    Astronomy
    Distribution
    Film (16mm)

    Shows some of the dynamic characteristics of this multiple star system located about 26 light-years from the sun. A zoom-in reveals a visual binary. After showing the primary and companion moving in orbit....

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