* Milky Way: Our galaxy is a vast collection of billions of stars, gas, dust, and planets. Its diameter is estimated to be around 100,000 light-years.

* Sun: Our star is a medium-sized star, but it's still much larger than Earth or Jupiter. Its diameter is about 1.39 million kilometers.

* Jupiter: The largest planet in our solar system, Jupiter's diameter is about 140,000 kilometers.

* Moon: Earth's moon is relatively small compared to the other celestial bodies mentioned. Its diameter is about 3,474 kilometers.

Therefore, the Milky Way dwarfs all the others in size.