{"dataset":{"slug":"moons","title":"Moons","description":"Natural satellites of the planets and dwarf planets.","version":"1.0.0","lastGenerated":"2026-06-29","license":"CC BY-SA 4.0","entityCount":24,"sources":["nasa","jpl"]},"entities":[{"id":"moon:amalthea","name":"Amalthea","type":"moon","domain":"science","description":"Amalthea is a small, reddish inner moon of Jupiter orbiting closer to the planet than the Galilean moons.","entryPath":""},{"id":"moon:ariel","name":"Ariel","type":"moon","domain":"science","description":"Ariel is a moon of Uranus and the brightest of its major satellites.","entryPath":""},{"id":"moon:callisto","name":"Callisto","type":"moon","domain":"science","description":"Callisto is the outermost of the four Galilean moons of Jupiter and is heavily cratered.","entryPath":""},{"id":"moon:charon","name":"Charon","type":"moon","domain":"science","description":"Charon is the largest moon of the dwarf planet Pluto, roughly half Pluto's diameter.","entryPath":""},{"id":"moon:deimos","name":"Deimos","type":"moon","domain":"science","description":"Deimos is the smaller and outer of the two natural satellites of Mars.","entryPath":""},{"id":"moon:dione","name":"Dione","type":"moon","domain":"science","description":"Dione is an icy moon of Saturn marked by bright wispy fractures across its surface.","entryPath":""},{"id":"moon:enceladus","name":"Enceladus","type":"moon","domain":"science","description":"Enceladus is an icy moon of Saturn that vents plumes of water ice from its south pole.","entryPath":""},{"id":"moon:europa","name":"Europa","type":"moon","domain":"science","description":"Europa is one of the four Galilean moons of Jupiter, covered by a shell of water ice.","entryPath":""},{"id":"moon:ganymede","name":"Ganymede","type":"moon","domain":"science","description":"Ganymede is a Galilean moon of Jupiter and the largest moon in the Solar System.","entryPath":""},{"id":"moon:iapetus","name":"Iapetus","type":"moon","domain":"science","description":"Iapetus is a moon of Saturn known for its striking two-toned surface, with one dark and one bright hemisphere.","entryPath":""},{"id":"moon:io","name":"Io","type":"moon","domain":"science","description":"Io is the innermost of the four Galilean moons of Jupiter and is intensely volcanic.","entryPath":""},{"id":"moon:mimas","name":"Mimas","type":"moon","domain":"science","description":"Mimas is an inner moon of Saturn dominated by the huge impact crater Herschel.","entryPath":""},{"id":"moon:miranda","name":"Miranda","type":"moon","domain":"science","description":"Miranda is the smallest of the five major moons of Uranus and has an unusually jumbled, varied surface.","entryPath":""},{"id":"moon:nereid","name":"Nereid","type":"moon","domain":"science","description":"Nereid is a moon of Neptune with one of the most eccentric orbits of any known moon in the Solar System.","entryPath":""},{"id":"moon:oberon","name":"Oberon","type":"moon","domain":"science","description":"Oberon is the outermost of the large moons of Uranus and is heavily cratered.","entryPath":""},{"id":"moon:phobos","name":"Phobos","type":"moon","domain":"science","description":"Phobos is the larger and inner of the two natural satellites of Mars.","entryPath":""},{"id":"moon:proteus","name":"Proteus","type":"moon","domain":"science","description":"Proteus is one of the larger inner moons of Neptune and one of the darkest objects in the Solar System.","entryPath":""},{"id":"moon:rhea","name":"Rhea","type":"moon","domain":"science","description":"Rhea is the second-largest moon of Saturn and an icy, heavily cratered world.","entryPath":""},{"id":"moon:tethys","name":"Tethys","type":"moon","domain":"science","description":"Tethys is an icy moon of Saturn featuring the enormous Ithaca Chasma canyon and the large Odysseus crater.","entryPath":""},{"id":"moon:the-moon","name":"The Moon","type":"moon","domain":"science","description":"The Moon is Earth's only natural satellite.","entryPath":""},{"id":"moon:titan","name":"Titan","type":"moon","domain":"science","description":"Titan is the largest moon of Saturn and has a dense, nitrogen-rich atmosphere.","entryPath":""},{"id":"moon:titania","name":"Titania","type":"moon","domain":"science","description":"Titania is the largest moon of Uranus.","entryPath":""},{"id":"moon:triton","name":"Triton","type":"moon","domain":"science","description":"Triton is the largest moon of Neptune and orbits in a retrograde direction.","entryPath":""},{"id":"moon:umbriel","name":"Umbriel","type":"moon","domain":"science","description":"Umbriel is a moon of Uranus and the darkest of its major satellites.","entryPath":""}]}