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en.wikipedia.org/wiki/Phobos_(moon)

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 ...

www.nasa.gov/feature/goddard/phobos-is-falling-apart

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.

www.space.com/20346-phobos-moon.html

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.

www.bbc.com/earth/story/20160923-there-is-a-huge-monolith-on-phobos-one-of-marss-moons

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.

space-facts.com/phobos

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 ...

www.seasky.org/solar-system/mars-phobos.html

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.

theplanets.org/phobos

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 ...

www.seeker.com/mars-moon-phobos-is-double-doomed-1770445886.html

6 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...

www.newsweek.com/nasa-mars-moon-phobos-orbits-red-planet-beautiful-time-lapse-captured-hubble-640386

Jul 21, 2017 ... It looks like a glowing speck or star moving swiftly around the surface of Mars. The tiny moon Phobos orbits the red planet in a new time-lapse ...