This is a tricky question! It depends on how you're comparing them:

* Size: Galaxies are vastly larger than the moon. Our Milky Way galaxy is about 100,000 light-years across, while the moon is only about 2,159 miles in diameter.

* Distance: The moon is much closer to Earth than any other galaxy. It's only about 238,900 miles away, while the nearest galaxy, Andromeda, is about 2.5 million light-years away.

So, to sum up:

* A single galaxy is much larger than the moon.

* The moon is much closer to Earth than any galaxy.