The Figure Shows a Color Image of Betelgeuse, a Red

question 39

Multiple Choice

The figure shows a color image of Betelgeuse, a red giant star. Which of the surface temperatures below best matches Betelgeuse's surface temperature? Hint: Our sun at 6000 K is yellow.

• A) 64,000 K
• B) 32,000 K
• C) 16,000 K
• D) 8000 K
• E) 2000 K

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Definitions:

Autarky

A national economic policy aimed at self-sufficiency, avoiding the import of foreign goods.

Netherlands

A country located in Northwestern Europe known for its flat landscape, extensive canal systems, tulip fields, windmills, and cycling routes.

Belgium

A country in Western Europe known for its medieval towns, Renaissance architecture, and as the headquarters of the European Union and NATO.

Opportunity Cost

The value of the next best alternative foregone as the result of making a decision.