The Solar System's Major Moons (ordered by size)

The Solar System's Major Moons (ordered by size)
The Solar System's Major Moons (ordered by size) Montage by Emily Lakdawalla. The Moon: Gari Arrillaga. Other moons data: NASA/JPL. Processing by Ted Stryk, Gordan Ugarkovic, Emily Lakdawalla, and Jason Perry.