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This fascinating Viking 1 image features Noctis Labyrinthus at sunrise, when the canyons of this region on #Mars appear filled with water ice fog (possibly) from frost sublimated by the early morning sun.🔭🧪⚛️
photojournal.jpl.nasa.gov/catalog/PIA0...
Credit: NASA/JPL/USGS
#histsci #planetsci