What is bigger: the Earth or the Moon?

The Earth is much bigger than the moon. While the Earth is measured at 8,000 miles in diameter, the Moon only measures 2,160 miles in diameter. This means that if the Earth was hollowed out, the Moon could fit inside it 50 times.

Sometimes the Moon will appear larger in the sky than it usually does. This is due to an optical illusion. For instance, the Moon's orbit is not circular. As a result of this, sometimes the Moon is closer to Earth than at other times. When the Moon is full and at its closest to the Earth, it appears 14 percent larger and 30 percent brighter than it usually does.