Q. What planet is closest to the sun

A. Mercury - more info

Q. Which is the only planet in our solar system not named after a god?

A. Earth is the only planet not named after a god.

Q. How many moons does Jupiter have

A. This is a good question. For many years we knew that 16 moons excised. But, in total there are about 64. Some of these are small and some are big. The ones we know the most about are called the Galilean moons.