Multiple Choice
Which of these stars (each of which is listed with its apparent magnitude) would NOT be visible to the unaided eye on a clear night?
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
Correct Answer:
Verified
Correct Answer:
Verified
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