# Aristarchus of Samos Quotes

#### 19 Sourced Quotes

The straight line joined from the centre of the earth to the centre of the moon has to the straight line cut off from the axis towards the centre of the moon by the straight line subtending the (circumference) within the earth's shadow a ratio greater than that which 675 has to 1.

Proposition 14

Aristarchus of Samos

The sun has to the moon a ratio greater than that which 5832 has to 1, but less than that which 8000 has to 1.

Proposition 10

Aristarchus of Samos

The earth is to the moon in a ratio greater than that which 1259712 has to 79507, but less than that which 216000 has to 6859.

Proposition 18

Aristarchus of Samos

The moon moves (in an orbit) lower than (that of) the sun, and, when it is halved, is distant less than a quadrant from the sun.

Proposition 6

Aristarchus of Samos

The diameter of the moon is less than 2/45ths, but greater than 1/30th of the distance of the centre of the moon from our eye.

Proposition 11

Aristarchus of Samos

The circle which divides the dark and the bright portions in the moon is not perceptibly different from a great circle in the moon.

Proposition 4

Aristarchus of Samos

The sun has to the earth a ratio greater than that which 6859 has to 27, but less than that which 79507 has to 216.

Proposition 16

Aristarchus of Samos

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

Proposition 9

Aristarchus of Samos