A Star Is 80 Pc from the Sun $\degree$
D) 80 Arcseconds

question 71

Multiple Choice

A star is 80 pc from the Sun. Its apparent motion against the background sky, that is, its stellar parallax, as a result of Earth's motion through 1 au is

• A) 0.0125 arcsecond.
• B) 0.0125 arcminute.
• C) 0.0125 radian or 0.72 \(\degree\).
• D) 80 arcseconds.

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