The statement that the apparent magnitude of a variable star has increased indicates that its:
A) brightness has increased.
B) surface temperature has decreased.
C) brightness has decreased.
D) surface temperature has increased.

Question

Quizplus · Accepted Answer

Apparent magnitude is a measure of a star's brightness as seen from Earth. An increase in apparent magnitude means the star appears dimmer, indicating its brightness has decreased.

The Statement That the Apparent Magnitude of a Variable Star