Here are the diameters of Earth, the Sun, and the Moon:

* Earth: 12,742 kilometers (7,926 miles)

* Sun: 1,392,684 kilometers (865,000 miles)

* Moon: 3,474 kilometers (2,159 miles)

As you can see, the Sun is significantly larger than both Earth and the Moon. In fact, the Sun is so large that it could fit over 1 million Earths inside it!