Valles Marineris in Infrared
This image covers a small portion of gigantic Coprates Chasma, part of Valles Marineris on Mars
With enhanced IR colors, we see a portion of the very top of the south wall of the canyon, looking down onto the steep upper slopes. The colors indicate that diverse rock types are present.
Image: NASA/JPL/University of Arizona [high-resolution]
Caption: Alfred McEwen