An Observer in the Northern Hemisphere Takes a Time Exposure

question 156

Multiple Choice

An observer in the northern hemisphere takes a time exposure photograph of the night sky.If the illustration depicts the photograph taken by the observer,which direction was the camera pointing?

• A)due north
• B)due south
• C)due east
• D)straight up, directly overhead

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Definitions:

Schwann Cells

A type of glial cell that wraps around nerve fibers in the peripheral nervous system, forming the myelin sheath that aids in the fast conduction of electrical signals.

Afferent Neurons

Nerve cells that carry sensory information from the body's organs and tissues toward the central nervous system.

Reticular Formation

A network of nerve pathways in the brainstem involved in consciousness, the sleep-wake cycle, and filtering sensory information before it reaches higher brain centers.

Hippocampus

A critical region of the brain involved in the formation of new memories and is associated with learning and emotions.