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This image of the Mars night side shows ultraviolet emission from nitric oxide (abbreviated NO)
10.17.2016

Mars' Nightside Atmosphere

This image of the Mars night side shows ultraviolet emission from nitric oxide (abbreviated NO). The emission is shown in false color with black as low values, green as medium, and white as high. These emissions track the recombination of atomic nitrogen and oxygen produced on the dayside, and reveal the circulation patterns of the atmosphere. The splotches, streaks and other irregularities in the image are indications that atmospheric patterns are extremely variable on Mars' nightside. The inset shows the viewing geometry on the planet. MAVEN's Imaging UltraViolet Spectrograph obtained this image of Mars on May 4, 2016 during late winter in Mars Southern Hemisphere.

Image Credit: NASA/MAVEN/University of Colorado

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