eyeballkid88
18-04-2010, 11:33 AM
.... in ratio to the "host" planet in our soalr system?
martg
18-04-2010, 11:48 AM
I think so, unless you count Pluto and it's moon Charon, but most astronomers have agreed that Pluto isn't a planet.
guuna
18-04-2010, 06:05 PM
The answer is yes.
In terms of overall size though, Gannymede is the largest known moon.