If a star's measured parallax is 0.2 arcsec,what is its distance?
A) 5 pc
B) 20 pc
C) 40 pc
D) 50 pc

Name: If a star's measured parallax is 0.2 arcsec,what is its distance? A) 5 pc B) 20 pc C) 40 pc D) 50 pc
Brand: Quizplus
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Quizplus · Accepted Answer

The distance to a star can be calculated using the formula:distance = 1/parallaxIn this case, the parallax is 0.2 arcsec, so the distance is:distance = 1/0.2 arcsec = 5 pc

If a Star's Measured Parallax Is 0