Suppose We Imagine the Sun to Be About the Size

question 93

Multiple Choice

Suppose we imagine the Sun to be about the size of a grapefruit.How far away are the nearest stars (the three stars of Alpha Centauri) ?

• A)the length of a football field (100 meters)
• B)across town
• C)across the state
• D)across the United States
• E)25,000 miles

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Definitions:

Bone Mass

The total weight of bone mineral in the body, critical for maintaining bone strength and overall skeletal health.

Melatonin

A hormone produced by the pineal gland that helps regulate the sleep-wake cycle.

Target Tissue

Specific tissues affected by certain hormones, drugs, or other signals due to the presence of relevant receptors.

Hypothalamus

A region of the brain that controls autonomic functions and plays a crucial role in hormone regulation and appetite.