16mm Filmography
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U S Naval Observatory

Shows how astronomers and mathematicians determine time, predict and publish the positions of the sun, moon, stars and planets for navigation and scientific purposes in addition to doing fundamental astronomical research.

Related films

Sources

  1. A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, year, creator, length, format, sound, description
  2. 16mm Filmography (legacy record) — catalog record
  3. usgov-av-1974 — title, year, creator, length, color, sound, description

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