MARK GARLICK / SCIENCE PHOTO LIBRARY MARK GARLICK / SCIENCE PHOTO LIBRARY
Artwork comparing the Earth's Moon and Ganymede - largest satellite of Jupiter - on the same scale. The moon is the fifth largest natural satellite in the Solar System, with a radius of 1737 km. But it just one-third the size of Ganymede (2631 km). In fact Ganymede larger than the planet Mercury, and all known dwarf planets to date.
Model release not required. Property release not required.