Which measure is not considered when measuring absolute magnitude? Select one of the options below as your answer:

a. size

b. brightness

c. volume

d. distance from earth

The correct answer for the question that is being presented above is this one: "c. volume." The volume is the measure that is not considered when measuring absolute magnitude. Absolute magnitude is the measure of intrinsic brightness of a celestial object. The measures needed are the size, brightness and the distance from earth.