A particular star has an angle of parallax of 0.1 arcsec. What is the distance to this star?
A) about 10 ly
B) about 33 ly
C) about 0.1 ly
D) about 3.3 ly

Name: A particular star has an angle of parallax of 0.1 arcsec. What is the distance to this star? A) about 10 ly B) about 33 ly C) about 0.1 ly D) about 3.3 ly
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Question

Quizplus · Accepted Answer

The distance to a star in parsecs is the reciprocal of the parallax angle in arcseconds. Therefore, 1/0.1 = 10 parsecs, which is approximately 33 light-years.

A Particular Star Has an Angle of Parallax of 0