Vastitas Borealis - Viking Orbiter 1
6 frame color mosaic looking across Vastitas Borealis towards the Martian north pole. This image was taken by Viking Orbiter 1 on September 2, 1979, during the spacecraft's 1168th orbit around Mars. This image was constructed using 6 pairs of red and violet images.
Image Credit: NASA / JPL / USGS / Justin Cowart