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Observation of the Mars O₂ visible nightglow by the NOMAD spectrometer onboard the Trace Gas Orbiter

Vandaele, A. C.; Daerden, F.; Thomas, I. R. +9 more

On Mars, atomic oxygen controls the carbon dioxide radiative cooling of the upper atmosphere and the presence of an ozone layer near the poles. To remotely probe meridional transport of O atoms from the summer to the winter hemisphere and the descending flow in the winter polar regions, the O₂ Herzberg II atmospheric emission could be u…