77.2 MB (1.0 MB compressed)
6000 x 4500 pixels
50.8 x 38.1 cm ⏐ 20.0 x 15.0 in (300dpi)
WALTER MYERS / SCIENCE PHOTO LIBRARY WALTER MYERS / SCIENCE PHOTO LIBRARY
Sunrise over a Martian canyon. Illustration of a Martian sunrise from the bottom of a deep canyon. The Sun is surrounded by a bluish halo due to dust in the Martian atmosphere. During the Martian day, this dust absorbs the blue light from the Sun, resulting in an overall salmon-coloured sky, but it also scatters some of the blue light into the area immediately around the Sun. This blue colour only becomes apparent near sunrise and sunset, when the light has to pass through the most amount of dust. The canyon shown here represents the land forms found in the Olympica Fossae region, located in northern Tharsis, south of the Alba Patera volcano. The largest Martian canyons are many kilometres wide and several kilometres deep.
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