CHRISTIAN KOCH, MICROCHEMICALS / SCIENCE PHOTO LIBRARY CHRISTIAN KOCH, MICROCHEMICALS / SCIENCE PHOTO LIBRARY
Martian moon Phobos. Artwork of Phobos, the larger of the two Martian moons. This moon is irregular in shape, measuring 19x21x27 kilometres. It orbits 9400 kilometres above Mars, taking just over 7.6 hours to complete an orbit. The large Stickney Crater (lower left) is 10 kilometres across. Mars, the fourth planet from the Sun, is an arid desert world with a thin atmosphere of carbon dioxide. It has a diameter of around 6800 kilometres.
Model release not required. Property release not required.