Star a and Star B Both Have an Absolute Magnitude

question 63

Multiple Choice

Star A and star B both have an absolute magnitude of 2.0, but star A has an apparent magnitude of 5.0 and star B has an apparent magnitude of 7.0. 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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Definitions:

Arousal Level

The state of being physiologically alert, awake, and attentive.

Somatic Marker Hypothesis

The idea that changes in the body, experienced as emotion, guide decision making.

Emotion Script

Predefined patterns or sequences of emotional responses expected in certain situations or contexts.

Somatic Marker Hypothesis

The theory that emotional processes guide (or bias) behavior, particularly decision-making, via bodily feelings.