NASA NTRS · 19720003232
Experiment S051: Daytime sodium cloud
Abstract
Daytime wind velocity measurements of the upper atmosphere as function of altitude were supposed to be gathered by Gemini 12 sequential photography of rocket made sodium clouds. Evaluation of the film was indicative that all 26 photographs were overexposed during the photographic sequences. The overexposures were caused by a camera shutter locked in the open position. Therefore, useful photographic data were not obtained for analysis.
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Blamont, J. E.. 1971-09-01. Experiment S051: Daytime sodium cloud. https://ntrs.nasa.gov/citations/19720003232
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