Dec 27 1969
From The Space Library
Scientists from U.S., Canada, and France, participating in NASA-sponsored 25-day probe of aurora borealis Nov. 24 to Dec. 18, had discovered very high ratios of red oxygen emissions to blue nitrogen emissions in earth's upper atmosphere, NASA. announced. Higher measured ratios indicated many solar electrons that bombarded atmosphere might have been low energy. There might be more oxygen in polar atmosphere than at other latitudes, or high temperatures in upper polar atmosphere. Studies in airborne laboratory-NASA Convair 990 jet aircraft Galileo-also detected bombardment of earth's atmosphere by protons. Comparison of light emission caused by protons and electrons would help explain particles, origin. Measurement from six photometers and three spectrometers would provide explanation of newly discovered phenomena. (NASA Releases 69-165, 69-169)
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