The moon is smaller than the Earth. Its diameter is just over one quarter that of Earths, but its total mass is only around 1.23% of Earths mass.
Yes. The Sun has about 109 times the Earth's diameter, over a million times its volume, and 333,000 times its mass.
The sun is bigger than the earth because its a star and stars are usually bigger than planets...but even though the sun might seem huge... its like a grain of sand compared to other suns, or stars,...
No, Ganymede is about 6 times smaller than the Earth. It is about twice the size of our moon, though.
There are many. Such as Jupiter and Saturn