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Phobos (systematic designation: Mars I) is the innermost and larger of the two natural satellites of Mars, the other being Deimos. Both moons were discovered in ...


New modeling indicates that the grooves on Mars' moon Phobos could be produced by tidal forces – the mutual gravitational pull of the planet and the moon.


The larger moon of Mars, gouged and nearly shattered by a giant impact crater.


Jun 21, 2016 ... The moon's orbit brings it 6 feet closer to the red planet every century. Facts about the Martian moons Phobos and Deimos.


Phobos is one of the two moons of Mars. It is the larger of the two moons, and is heavily cratered and appears to have grooves and streaks of material along its ...


Phobos is the innermost of Mars' moons and is also the largest. Phobos is closer to its planet than any other moon in the solar system.


Phobos (pronounced FOH bus) is the largest of the two moons which orbit the planet Mars. It is also closer to it's primary than any other satellite in the solar ...


Phobos (fear) is a moon of Mars and was named after an attendant of the Roman war god Mars. Phobos is a dark body that appears to be composed of C-type ...


3 days ago ... Scientists have known for some time that Phobos, the larger of Mars' two small moons, is a victim of gravity, edging closer toward its...


Sep 24, 2016 ... The mysterious object was spotted several years ago by a NASA probe, and to this day nobody is quite sure what it is or how it got there.