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:

Luminous Rectangular Frame

A framework or structure, often made of metal or plastic, that surrounds a light-emitting device, creating a bright rectangular display.

Induced Motion

The visual perception where motion is attributed to a stationary object while the observer is actually moving.

Direction Opposite

Referring to a course or path that is directly reverse or contrary to another or to a previous direction.

Spinning Clockwise

The motion of an object rotating on its axis to the right when observed from above.