Absolute magnitude is defined as the apparent magnitude that a star would have if observed at a distance of 33 light-years. Consider a star at a distance of 350 light-years that has an apparent magnitude of +5. What would its absolute magnitude be?

Question

Quizplus · Accepted Answer

Absolute magnitude is a measure of intrinsic brightness. Since the star is farther than 33 light-years, its absolute magnitude would be less than its apparent magnitude of +5, indicating it is intrinsically brighter.

Absolute Magnitude Is Defined as the Apparent Magnitude That a Star