Moon Atlas

Moons of the Solar System

From Io's volcanos to Enceladus' geysers — the most fascinating moons we've mapped

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Jupiter's Moons

Jupiter has 95 known moons. We've mapped the most fascinating ones.

Europa

Size vs Moon90%

A global subsurface ocean beneath its icy shell may hold more water than all Earth's oceans — and possibly life.

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Ganymede

Size vs Moon1.5×

The largest moon in the Solar System — bigger than Mercury and the only moon with its own magnetic field.

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Callisto

Size vs Moon1.4×

The most heavily cratered body in the Solar System — its ancient surface has been unchanged for 4 billion years.

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Io

Size vs Moon1.0×

The most volcanically active body in the Solar System — over 400 active volcanoes constantly resurface it.

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Saturn's Moons

Saturn has 145 known moons. We've mapped the most fascinating ones.

Titan

Size vs Moon1.5×

The only moon with a dense atmosphere — methane rains down, pools into lakes, and flows through river channels.

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Enceladus

Size vs Moon15%

Geysers of liquid water erupt from its south pole — Cassini flew through them and detected organic compounds.

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Uranus's Moons

Uranus has 28 known moons. We've mapped the most fascinating ones.

Miranda

Size vs Moon14%

Miranda has the tallest known cliffs in the Solar System — Verona Rupes rises 20 km from the valley floor.

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Titania

Size vs Moon45%

Uranus' largest moon has giant rift canyons hundreds of kilometers long — scars from ancient internal stretching.

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Neptune's Moons

Neptune has 16 known moons. We've mapped the most fascinating ones.

Triton

Size vs Moon78%

Triton orbits Neptune backwards and is spiraling inward — in 3.6 billion years it will be torn apart into rings.

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Mars's Moons

Mars has 2 moons. We've mapped the most fascinating ones.

Phobos

Size vs Moon1%

Mars' inner moon orbits so fast (7.7 hours) it rises in the west and sets in the east — and is slowly falling.

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Deimos

Size vs Moon0%

Mars' tiny outer moon is barely 12 km wide — from the Martian surface it looks like a faint bright star.

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Pluto's Moons

Pluto has 5 moons. We've mapped the most fascinating ones.

Charon

Size vs Moon35%

So large relative to Pluto that both bodies orbit a point in space between them — a true binary dwarf system.

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