The distance to Canopus is 96 pc. What is the parallax angle as observed from the Sun
A)0.01 degrees
B)0.01 arc minutes
C)0.01 arc seconds
D)96 pc

Question

Quizplus · Accepted Answer

The parallax angle, p, is given by:
p = 1/d   , where d is the distance in parsecs

Substituting d = 96 pc, we get:
p = 1/96 = 0.0104 arc seconds

Rounded to two decimal places, the answer is 0.01 arc seconds, which is option C.

The Distance to Canopus Is 96 Pc