Question

A basic observation of a star is how bright it appears. This brightness is known as the star's

A. absent magnitude.
B. apparent magnitude.
C. absolute magnitude.
D. luminosity.

Answer 1

B. apparent magnitude

Answer 2

The answer would be apparent magnitude as one would likely be measuring its brightness from the viewing space of earth. It would more likely be absolute if its actual brightness relative to other stars rather than just from earth was to be measured.