... Satellites of Mars . Deimos and Phobos . The Rationale for Exploring Mars . Chronology of Mars Exploration . ... km) . Discoverer . Date . Phobos . I . 13.5x10.8x9.4 . 1.08e+16 . ...
... Mars 's tiny moons Deimos and Phobos , Jupiter 's outer eight moons , Saturn 's outermost moon, Phoebe , and perhaps some of ... The composite image at the top of this page shows Ida, Gaspra, Deimos and Phobos approximately to scale.) ...
... The surface of Phobos is marked with two families of parallel striations, probably fractures caused by a large impact that may nearly have broken Phobos apart. ...
... Phobos 1 - USSR Mars Orbiter/Lander - 5,000 kg - (July 7, 1988) Phobos 1 was sent to investigate the Martian moon Phobos . ... Phobos 2 - USSR Phobos Flyby/Lander - 5,000 kg - (July 12, 1988) Phobos 2 arrived at Mars and was inserted into orbit on ...
... Phobos 1 - USSR Mars Orbiter/Lander - 5,000 kg - (July 7, 1988) Phobos 1 was sent to investigate the Martian moon Phobos . ... Phobos 2 - USSR Phobos Flyby/Lander - 5,000 kg - (July 12, 1988) Phobos 2 arrived at Mars and was inserted into orbit on ...