The Surface of the Sun Appears Sharp When We Look

question 15

Multiple Choice

The surface of the Sun appears sharp when we look at it in visible light because

• A) the photosphere is cooler than the layers below it.
• B) the photosphere is thin compared with the other layers in the Sun.
• C) the photosphere is much less dense than the convection zone.
• D) its high luminosity provides plenty of photons, resulting in extreme definition.
• E) the Sun has a distinct surface.

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Definitions:

Panic Disorder

A psychiatric disorder characterized by unexpected and repeated episodes of intense fear accompanied by physical symptoms that may include chest pain, heart palpitations, shortness of breath, dizziness, or abdominal distress.

Ventromedial Hypothalamus

A region of the brain involved in regulating hunger, fullness, and the body's energy balance.

Lateral Hypothalamus

A region of the brain that plays a key role in controlling hunger and thirst by regulating appetite and energy balance.

Hypothalamus

A small region at the base of the brain responsible for hormone production, regulation of body temperature, and maintaining daily physiological cycles.