The Invisible Planet
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. Covers a 24-year study of the nearest star in the northern hemisphere, Barnard's Star B, by Dr. Peter Van de Kamp. Shows how a teaching scientist at a small college and his team of observers discovered the first planet to be found outside the solar system, and established the existence of this "Invisible" planet by measuring the extremely small variations it produced in the path of Barnard's Star.
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- 16mm Filmography (legacy record) — title, year, creator, length, format, description, catalog record
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