| http://www.w3.org/ns/prov#value | - But, when the geometry is favourable and the two are going to pass close by, a carefully timed manoeuvre, provided by firing the thrusters, can bring our satellite close enough to Phobos to take pictures and other measurements of this extremely interesting moon.For his part, Thomas Ormston produced an animation showing the relationship among the orbits of Phobos, Deimos, and Mars Express, with cal
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