We Know That Giant Stars Are Larger in Diameter Than

question 79

Multiple Choice

We know that giant stars are larger in diameter than the sun because

• A) they are more luminous but have about the same temperature.
• B) they are less luminous but have about the same temperature.
• C) they are hotter but have about the same luminosity.
• D) they are cooler but have about the same luminosity.
• E) they have a larger absolute magnitude than the sun.

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Definitions:

U.S. Standard Measurement

A system of measurement used primarily in the United States, including units such as inches, feet, and pounds.

Heat Energy

The form of energy that is transferred between systems or objects with different temperatures, driving changes in temperature and state of matter.

Effective Cycle

The portion of a process or machine's operational cycle that contributes directly to its intended function or output.