Proposition 14. 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. (Aristarchus of Samos)

Proposition 14. 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.

Aristarchus of Samos

Related topics

axis centre circumference cut earth line moon off proposition ratio shadow straight

Related quotes

The line that connects the bombing of civilian populations to the mountain removed by strip mining ... to the tortured prisoner seems to run pretty straight. We're living, it seems, in the culmination of a long warfare - warfare against human beings, other creatures and the Earth itself.

Wendell Berry

Some men like Jack and some like Jill I'm glad I like them both but still I wonder if this freewheeling Really is an enlightened thing, Or is its greater scope a sign Of deviance from some party line? In the strict ranks of Gay and Straight What is my status: Stray? Or Great?

Vikram Seth

Therefore, the central point which we see in the centre of the hieroglyphic Monad produces the Earth, round which the Sun, the Moon, and the other planets follow their respective paths. The Sun has the supreme dignity, and we represent him by a circle having a visible centre.

John Dee

The sphere of the attractive virtue which is in the moon extends as far as the earth, and entices up the waters; but as the moon flies rapidly across the zenith, and the waters cannot follow so quickly, a flow of the ocean is occasioned in the torrid zone towards the westward.

Johannes Kepler

All things are nourished together without their injuring one another. The courses of the seasons, and of the sun and moon, are pursued without any collision among them. The smaller energies are like river currents; the greater energies are seen in mighty transformations. It is this which makes heaven and earth so great.

Confucius