Multiple Choice
Which star,according to 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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