Based on His Observations of the Planets, Copernicus Calculated the Relative

question 36

Multiple Choice

Based on his observations of the planets, Copernicus calculated the relative distance of the planets from the Sun using the heliocentric model.These distances were

• A) 10 times too large.
• B) exactly correct.
• C) close to the correct values, with errors less than 0.5 astronomical unit (AU).
• D) accurate, but not as accurate as Ptolemy's values.
• E) two times too small.

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Definitions:

Action Potentials

Rapid changes in the electrical charge of a neuron's membrane, facilitating the transmission of nerve impulses.

Neurons

Specialized cells within the nervous system that transmit information to other neurons, muscles, or gland cells.

Muscle Tissue

A tissue composed of cells or fibers, the function of which is to contract to facilitate movement of the body or its parts.

Contractility

The ability of muscle fibers to shorten and generate force.