Figure 9-5 in Comins,Discovering the Essential Universe,6th Ed

question 94

Multiple Choice

Figure 9-5 in Comins,Discovering the Essential Universe,6th ed.,shows an image taken through a filter that passes the red Hα hydrogen line and blocks other wavelengths.Why does this image show the chromosphere but not the photosphere?

• A) The chromosphere is cooler than the photosphere and therefore emits Hα, while the warmer photosphere does not.
• B) The chromosphere is warmer than the photosphere and therefore emits Hα, while the cooler photosphere does not.
• C) The photosphere lacks hydrogen and therefore cannot emit Hα.
• D) The Hα emitted by the photosphere is blocked by the chromosphere.

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Definitions:

Income Share

The portion or percentage of national income or personal revenue received by an individual or group, often studied in the context of economic inequality.

Social Stratification

Refers to the way in which society is organized into layers based on wealth, power, and status.

Hierarchical Structure

An organizational system arranged in levels of importance or authority.

Wealthy Country

A nation characterized by a high level of economic development, significant gross domestic product (GDP) per capita, and an overall high standard of living.