Why Did Ptolemy Have the Planets Orbiting Earth on "Circles

question 72

Multiple Choice

Why did Ptolemy have the planets orbiting Earth on "circles upon circles" in his model of the universe?

• A) to explain why more distant planets take longer to make a circuit through the constellations of the zodiac
• B) to explain the fact that planets sometimes appear to move westward, rather than eastward, relative to the stars in our sky
• C) to explain why the Greeks were unable to detect stellar parallax
• D) To properly account for the varying distances of the planets from Earth
• E) To explain why Venus goes through phases as seen from Earth

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Definitions:

Emotional Component

A part of emotions that involves the subjective, internal experience of feelings, distinct from physiological and behavioral components.

Interpersonal Communication

Communication between two or more people in an organization.

Interpersonal Communication Skill

The ability to effectively exchange information, feelings, and meaning between two or more people through verbal or non-verbal methods.

Department of Labor

A government department responsible for overseeing working conditions, wage standards, and employment laws to protect workers' rights.