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Orbits Mars; smaller and further away than its sibling moon Phobos; has a smoother appearance due to a cover of regolith.

Orbits Jupiter; is the largest moon in the Solar System; has a magnetic field.

Orbits Uranus; is the second-largest Uranian moon; has an old, heavily cratered surface interspersed with bright icy patches.

Orbits Saturn; has geysers spewing water and ice; its subsurface ocean may harbor life.

Orbits Pluto, with which it forms a binary system; has a red polar region likely caused by tholins; diverse surface with canyons and smooth plains.

Orbits Mars; is getting closer to the planet over time; will possibly break up or crash into Mars in the distant future.

Orbits Uranus; has one of the most extreme and varied geologies, with canyons and terraces; smallest and innermost of Uranus's five major moons.

Orbits Jupiter; has a heavily cratered surface; has an ancient, icy landscape.

Orbits Saturn; resembles the 'Death Star' from Star Wars; heavily cratered with a giant impact crater named Herschel.

Orbits Jupiter; has a surface composed of ice; believed to have a subsurface ocean potentially capable of supporting life.

Orbits Uranus; has the brightest and youngest surface among Uranus' moons; characterized by a network of canyons.

Orbits Neptune; has retrograde orbit; has geysers that are likely driven by seasonal temperature changes.

Orbits Uranus; has the darkest surface of the Uranian moons; has a mysterious bright ring called Wunda in one of its craters.

Orbits Saturn; has a dense atmosphere; host to hydrocarbon lakes and rivers on its surface.