The Greatest Inaccuracy in Copernicus's Theory of the Solar System

question 96

Multiple Choice

The greatest inaccuracy in Copernicus's theory of the solar system was that he

• A) placed the planets in circular orbits.
• B) placed the planets on epicycles,the centers of which followed orbits around Earth.
• C) did not allow for retrograde motion.
• D) assumed that the planets move in elliptical orbits with constant speeds rather than variable speeds.

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Definitions:

Fine Motor Activities

Tasks that involve the use of small muscles in the hands and fingers to perform precise movements, such as writing or buttoning.

Anesthesia

A medical procedure used to temporarily block sensation in the body, typically to prevent pain during surgeries or medical interventions.

Circumcisions

The surgical removal of the foreskin from the male genitalia, often performed for religious, cultural, or medical reasons.

Gross Motor Activities

Activities that use large muscle groups in the arms, legs, and torso to promote movement and coordination.