In Ptolemy's Description of the Solar System,the Deferent Is A(n)

question 65

Multiple Choice

In Ptolemy's description of the solar system,the deferent is a(n)

• A) circular path (around the Sun)along which the center of a planet's epicycle moves.
• B) circular path (around Earth)along which the center of a planet's epicycle moves.
• C) elliptical path along which a planet moves around the Sun.
• D) circular path along which a planet moves while the center of this circular path itself moves in a circle around Earth.

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Definitions:

Perceptual Set

A mental predisposition to perceive one thing and not another, influenced by expectations, emotions, and experiences.

Difference Threshold

The minimum difference in stimulation that a person can detect 50 percent of the time, also known as the Just Noticeable Difference (JND).

Absolute Threshold

The smallest level of a stimulus that can be detected by the senses, such as the lightest touch or quietest sound perceivable.

Absolute Threshold

The smallest level of stimulus that can be detected by a sense (hearing, sight, touch, etc.) at least 50% of the time.