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Host Planet: Saturn; Interesting Fact: Enceladus has geysers that shoot water vapor and organic compounds into space.

Host Planet: Saturn; Interesting Fact: Hyperion has a chaotic rotation and a sponge-like appearance due to its unusually low density.

Host Planet: Jupiter; Interesting Fact: Ganymede is the largest moon in the Solar System and the only moon known to have its own magnetic field.

Host Planet: Saturn; Interesting Fact: Tethys is heavily cratered and has a huge rift called Ithaca Chasma.

Host Planet: Jupiter; Interesting Fact: Io is the most volcanically active body in the Solar System.

Host Planet: Jupiter; Interesting Fact: Callisto is heavily cratered and is considered to be the oldest landscape in the Solar System.

Host Planet: Pluto; Interesting Fact: Charon is the largest moon relative to its planet in the Solar System and shares a common center of gravity with Pluto outside of the planet itself.

Host Planet: Uranus; Interesting Fact: Umbriel is the darkest of Uranus's large satellites and is heavily cratered.

Host Planet: Saturn; Interesting Fact: Rhea may have a tenuous ring system of its own, which would make it one of only three moons in the Solar System known to have rings.

Host Planet: Jupiter; Interesting Fact: Europa is believed to have a subsurface ocean that may harbor life.

Host Planet: Saturn; Interesting Fact: Titan has a dense atmosphere and liquid hydrocarbon lakes on its surface.

Host Planet: Saturn; Interesting Fact: Mimas has a large crater named Herschel that makes it resemble the Death Star from Star Wars.

Host Planet: Uranus; Interesting Fact: Miranda has one of the most extreme and varied geologies in the Solar System, including canyons 20 kilometers deep and a patchwork of broken terrain.

Host Planet: Mars; Interesting Fact: Phobos is slowly spiraling inward towards Mars and may either crash into the planet or break apart to form a ring system in the distant future.

Host Planet: Neptune; Interesting Fact: Triton has geysers believed to be driven by seasonal heating from the Sun.

Host Planet: Saturn; Interesting Fact: Dione has bright, icy cliffs and is thought to have a subsurface ocean.

Host Planet: Mars; Interesting Fact: Deimos is a small, irregularly shaped moon with smooth surfaces.

Host Planet: Uranus; Interesting Fact: Oberon has an old, heavily cratered surface indicating that it has been geologically inactive for billions of years.

Host Planet: Uranus; Interesting Fact: Ariel has the youngest and brightest surface among Uranus's moons as it is continuously wiped clean by a process of geologic activity.