You Measure the Parallax Angle for a Star to Be

question 109

Multiple Choice

You measure the parallax angle for a star to be 0.1 arcseconds. The distance to this star is

• A) 10 light-years.
• B) 10 parsecs.
• C) 0.1 light-year.
• D) 0.1 parsec.
• E) impossible to determine.

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Definitions:

Call-in Poll

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The variation that occurs by chance because a sample is not identical to the population from which it is drawn, affecting the sample estimate.