How Thick Is the Milky Way's Disk as a Percentage

question 8

Multiple Choice

How thick is the Milky Way's disk as a percentage of its radius?

• A) 0.02 percent
• B) 2 percent
• C) 20 percent
• D) It varies from 0.02 percent to 20 percent, depending on radius.

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Definitions:

Frontal Lobe

Part of the cerebral cortex involved in decision making, problem-solving, control of purposeful behaviors, consciousness, and emotions.

Occipital Lobe

The region of the cerebral cortex at the back of the brain, responsible for processing visual information.

Temporal Lobe

A region of the cerebral cortex responsible for processing auditory information and is also involved in memory and speech.

Hearing

The sensory perception of sound by an organism, facilitated primarily by the ears.