Star a and Star B Both Have an Apparent Magnitude

question 83

Multiple Choice

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

• A) Star A appears brighter than star B, but star B and star A have the same intrinsic brightness.
• B) Star B appears brighter than star A, but star B and star A have the same intrinsic brightness.
• C) Star A and star B appear to have the same brightness, but star B is intrinsically brighter than star A.
• D) Star A and star B appear to have the same brightness, but star A is intrinsically brighter than star B.
• 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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The amount of income left after deductions like taxes and social security contributions are subtracted from the gross salary.

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A tax form used by employees to indicate their tax situation to their employer, such as number of dependents and marital status, affecting the amount of federal income tax withheld from their pay.