In a first, ESAs Mars Express orbiter imaged the martian moons Phobos and Deimos together on 5 November 2009. Apart from their wow factor, these unique images will help the HRSC team validate and refine existing orbit models of the two moons. (ESA footage)
http://www.esa.int/SPECIALS/Mars_Express/SEMDOE7JT2G_1.html#subhead2
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