How Did Copernicus Know Mercury Was Closer to the Sun

question 175

Multiple Choice

How did Copernicus know Mercury was closer to the Sun than Earth?

• A) It can always be seen relatively close to the Sun.
• B) He measured the period and used Kepler's third law.
• C) He observed it passing through a crescent phase.
• D) It can be high in the sky at midnight.

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Definitions:

Peripheral Nervous System

The part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord.

Central Nervous System

The complex of nerve tissues that controls the activities of the body, comprising the brain and spinal cord.

Autonomic Nervous System

A component of the peripheral nervous system that regulates involuntary physiological processes including heart rate, digestion, respiratory rate, pupillary response, urination, and sexual arousal.

Functional Imaging

A set of imaging procedures used to observe metabolic processes and other physiological activities in the brain or body, often as an aid in diagnosing diseases.