An Astronomer Measures the Spectra of Two Stars,A and B

question 70

Multiple Choice

An astronomer measures the spectra of two stars,A and B.She finds that star A is nine times more luminous than star B and is three times as hot.How are their surface areas related?

• A) Star A's area is three times larger than star B's.
• B) Star A's area is two times larger than star B's.
• C) Star A's area is the same size as star B's.
• D) Star A's area is three times smaller than star B's.

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Growing Resources

The increase in availability or development of materials, assets, or capabilities that can be utilized to achieve specific goals or address needs.

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Relationships characterized by patterns of harmful behaviors by one partner towards another aimed at gaining power and control.

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