A star has a parallax of 0.01 arc seconds. Its distance is
A) 10 parsecs
B) 100 parsecs.
C) 1 parsec.
D) 0.1 parsecs.
E) 0.01 parsecs.

Name: A star has a parallax of 0.01 arc seconds. Its distance is A) 10 parsecs B) 100 parsecs. C) 1 parsec. D) 0.1 parsecs. E) 0.01 parsecs.
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Question

Quizplus · Accepted Answer

The distance in parsecs is the inverse of the parallax angle in arcseconds, so a parallax of 0.01 arc seconds corresponds to a distance of 1/0.01 = 100 parsecs.

A Star Has a Parallax of 0