15.0 MB (15.0 MB compressed)
2899 x 1812 pixels
24.6 x 15.2 cm ⏐ 9.7 x 6.0 in (300dpi)
NASA / JPL-CALTECH / UNIV. OF ARIZONA / SCIENCE PHOTO LIBRARY NASA / JPL-CALTECH / UNIV. OF ARIZONA / SCIENCE PHOTO LIBRARY
Tharsis Tholus volcano. Dust covered channels on Tharsis Tholus, one of the smaller shield volcanoes on Mars' massive Tharsis Rise. The main shield is covered by a very thick mantle of loose material. This is likely to be the same dust that is found across all of Mars. The channels were probably formed by a combination of erosion by flowing lava, and the collapse of the volcano under its own weight. Imaged by the HiRISE (High Resolution Imaging Science Experiment) instrument on NASA's Mars Reconnaissance Orbiter.
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