The Other Moons Out There.....

Some large moons of the Solar System compared with the planets

Jupiter's moons - The four Galilean moons to scale

Jupiter's moons - Surface features on the Galilean moons

Pluto and its near identical size moon, Charon

Photo/Image References

http://www.answers.com/topic/pluto-and-charon-artists-impression-jpg-1

http://www.astro.psu.edu/users/niel/astro1/slideshows/class41/slides-41.html