From the Fact That Virtually Every Galaxy Is Moving Away

question 41

Multiple Choice

From the fact that virtually every galaxy is moving away from us and more distant galaxies are moving away from us at a faster rate than closer ones,we conclude that

• A)the Milky Way Galaxy is expanding.
• B)we are located at the center of the universe.
• C)the farthest galaxies will eventually be moving faster than the speed of light.
• D)the universe is expanding.
• E)the universe is shrinking.

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Definitions:

REM Sleep

A stage of sleep characterized by rapid eye movement, vivid dreams, and increased brain activity.

Reticular Formation

A complex network of nerve pathways in the brainstem involved in consciousness and alertness.

EEG Recordings

The measurement of electrical activity in the brain using electrodes placed on the scalp, valuable in diagnosing neurological conditions like epilepsy.

REM Sleep

Rapid Eye Movement sleep; a unique phase of sleep characterized by random rapid movement of the eyes, increased brain activity, and vivid dreams.