Dark Line To The Planets - Astronomical Observation Spectroscopy
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✎ Suggest a correctionDescribes the study of planetary atmospheres conducted by David H Rank, head of the Department of Physics at the Pennsylvania State university, whose design of a 150-foot spectrographic tube has served to provide new information on the amount and density of hydrogen around the planet Jupiter.
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- 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
- 16mm Filmography (legacy record) — catalog record
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