The Star Betelgeuse Appears Red; the Star Rigel Appears Blue

question 54

Multiple Choice

The star Betelgeuse appears red; the star Rigel appears blue. What accounts for this difference?

• A) Betelgeuse and Rigel have different chemical compositions.
• B) Betelgeuse is moving away from Earth, Rigel is moving toward Earth.
• C) Betelgeuse is moving toward Earth, Rigel is moving away from Earth.
• D) The surface of Betelgeuse is hotter than the surface of Rigel.
• E) The surface of Betelgeuse is cooler than the surface of Rigel.

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Definitions:

Proper Procedures

Established methods or protocols that are deemed appropriate and correct for carrying out specific tasks or activities.

Partnership Creation

The process and actions necessary to form a partnership, including the agreement between two or more parties to carry on a business for profit.

Cognitive Appraisal

The process by which an individual evaluates and interprets an event or experience and its significance to their well-being.

Fight-or-Flight

A physiological response to perceived harmful events, attacks, or threats to survival, initiating a choice to confront or retreat from the situation.