Quotes about quadrant | Quotes of famous people

“[Hypotheses]
1. That the Moon receives its light from the sun.
2. That the earth is in the relation of a point and centre to the sphere in which the moon moves.
3. That, when the moon appears to us halved, the great circle which divides the dark and the bright portions of the moon is in the direction of our eye.
4. That, when the moon appears to us halved, its distance from the sun is then less than a quadrant by one-thirtieth of a quadrant.
5. That the breadth of the (earth's) shadow is (that) of two moons.
6. That the moon subtends one fifteenth part of a sign of the zodiac.”

Aristarchus of Samos ancient Greek astronomer and mathematician

Note "is less than a quadrant..." is less than 90° by l/30th of 90° or 3°, and is therefore equal to 87°.
On the Sizes and Distances of the Sun and the Moon (c. 250 BC)

Light , Appearance , Sun , Parting

“As I looked more carefully at the listening matrix I saw that during the past twenty years we had taken a magnifying glass to the first of these four quadrants, the female experience of powerlessness. I saw I was subconsciously making a false assumption: The more deeply I understood women's experience of powerlessness, the more I assumed men had the power women did not have. In fact, what I was understanding was the female experience of male power.”

Warren Farrell (1943) author, spokesperson, expert witness, political candidate

Source: Why Men Are the Way They Are (1988), p. xx-xxi.

Women , Men , Understanding , Past

“Proposition 6. 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.”

Aristarchus of Samos ancient Greek astronomer and mathematician

p, 125
On the Sizes and Distances of the Sun and the Moon (c. 250 BC)

Distant , Sun