Star a and Star B Both Have an Apparent Magnitude

question 12

Multiple Choice

Star A and star B both have an apparent magnitude of 7.0, but star A is at a distance of 15 pcand star B is at a distance of 30 pc. Which statement below is correct?

• A)Star A appears brighter than star B, but actually star B and star A are the same brightness.
• B)Star B appears brighter than star A, but actually star B and star A are the same brightness.
• C)Star A and star B appear to have the same brightness, but actually star B is brighter than starA.
• D)Star A and star B appear to have the same brightness, but actually star A is brighter than starB.
• E)It is impossible to determine how bright these stars are or appear to be relative to one another,given the information above.

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Definitions:

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A software application for playing back multimedia files such as videos, music, and digital images.

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Sound Card

An internal computer component that enables the processing and output of audio signals to speakers or headphones, enhancing the quality of sound.