The Purpose of Using Epicycles and Deferents to Explain the Motion

question 43

Multiple Choice

The purpose of using epicycles and deferents to explain the motion of the planets in the night sky was to account for

• A) prograde motion.
• B) Mercury and Venus' limited angular distance from the Sun.
• C) retrograde motion.
• D) non-uniform speed of the planets in their orbits.
• E) precession of the equinoxes.

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Definitions:

Outside Authority

A source of influence or control that is external to oneself or one's immediate environment.

Authoritarian

A governing or leadership style characterized by absolute or blind obedience to authority, often at the expense of personal freedom.

Right Decisions

Choices or judgments that lead to the most positive outcome based on ethical, practical, or personal considerations.

Informal Child Care

Child care that is provided by relatives, friends, or neighbors, not through formal settings such as daycare centers or professional caregivers.