Phobos

Mars has two moons: Phobos and Deimos.

Mars has two moons, Phobos and Deimos, which have unusual shapes. Scientists think these potato-shaped moons were once asteroids captured by Mars' gravitational pull.

Mars has two small natural satellites, Phobos and Deimos. They are highly irregular in shape and are believed to be asteroids captured by Mars' weak gravitational field.

Mars has two small moons, Phobos and Deimos.

Phobos has an oblong shape with an average diameter of about 14 miles (22 kilometers).

Phobos will eventually break apart and form a ring system around Mars.

Mars has two small "moons," Phobos and Deimos.