F a Nearby Star Shows a Parallax of 0

question 52

Multiple Choice

f a nearby star shows a parallax of 0.5 arcsec (when Earth moves through 1 au, by definition) , what is its distance from Earth, in light-years?

• A) 2 ly
• B) 1.83 ly
• C) 6.52 ly
• D) 3.26 ly

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