The apparent brightness of stars is ranked according to magnitude. The brightest stars were originally ranked as what magnitude?
A) Zero
B) Sixth
C) First
D) None of the above

Question

Quizplus · Accepted Answer

The brightest stars were originally ranked as first magnitude, with dimmer stars ranked as second magnitude, and so on, in a system developed by the ancient Greek astronomers.

The Apparent Brightness of Stars Is Ranked According to Magnitude