A star has a parallax of 0.04 arc seconds. What is its distance?
A) 4 light-years
B) 4 parsecs
C) 25 light-years
D) 25 parsecs

Name: A star has a parallax of 0.04 arc seconds. What is its distance? A) 4 light-years B) 4 parsecs C) 25 light-years D) 25 parsecs
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Question

Quizplus · Accepted Answer

The distance to a star in parsecs is the reciprocal of its parallax angle in arc seconds. Therefore, 1/0.04 = 25 parsecs.

A Star Has a Parallax of 0