If 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

Question

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The Answer of If 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

If a Nearby Star Shows a Parallax of 0