Evidence for Solid Carbon Dioxide in the Upper Atmosphere of Mars

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Science  02 Jan 1970:
Vol. 167, Issue 3914, pp. 47-49
DOI: 10.1126/science.167.3914.47


The infrared spectra recorded by Mariner 6 and 7 show reflections at 4.3 microns. which suggest the presence of solid carbon dioxide in the upper atmosphere of Mars.

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