The diameter of the sun is greater than 18 times, but less than 20 times, the diameter of the moon.

Proposition 9

On the Sizes and Distances of the Sun and the Moon (c. 250 BC)

Aristarchus of Samos Quotes

The diameter of the sun is greater than 18 times, but less than 20 times, the diameter of the moon.

The diameter of the sun is greater than 18 times, but less than 20 times, the diameter of the moon.

The diameter of the sun is greater than 18 times, but less than 20 times, the diameter of the moon.

The diameter of the sun is greater than 18 times, but less than 20 times, the diameter of the moon.