Which of these stars (each of which is listed with its apparent magnitude) looks brightest when viewed from Earth?
A) tau Ceti; m = +3.49
B) alpha Centauri B; m = +1.34
C) Barnard's star; m = +9.53
D) 61 Cygni A; m = +5.21

Question

Quizplus · Accepted Answer

In the system of apparent magnitudes, lower numbers indicate brighter objects. Therefore, alpha Centauri B, with an apparent magnitude of +1.34, is the brightest star listed when viewed from Earth.

Which of These Stars (Each of Which Is Listed with Its